News

Jupiter’s Galilean moons often transit the planet’s disk one at a time — tonight, however, Io and Europa cross the disk together.... Read more »

Researchers have designed a new type of gravitational wave detector that operates in the milli-Hertz range, a region untouched by current observatories.... Read more »

Astronomers have uncovered a runaway feeding frenzy in a rogue planet drifting freely through space, devouring six billion tonnes of gas and... Read more »

How will NASA’s upcoming Habitable Worlds Observatory (HWO) mission differentiate Earth-sized exoplanets from other exoplanets, specifically Earth-sized exoplanets within the habitable zone,... Read more »

ESA’s Mars Express takes us on another mesmerizing flight over the highlands of Xanthe Terra to the smoother lowlands of Chryse Planitia. Billions of... Read more »

If a new proposal by MIT physicists bears out, the recent detection of a record-setting neutrino could be the first evidence of... Read more »

Most people are familiar with the fact that the Earth spins on its axis once every day. The spin however, isn’t as... Read more »

Enceladus’ ice continues to get more and more intriguing as researchers continue to unlock more secrets taken from a probe over ten... Read more »

There are plenty of exoplanets scattered throughout the galaxy, so it would stand to reason there are also plenty of stars that... Read more »

Modeling something like geysers on a far-away moon seems like it should be easy. How much complexity could there possibly be when... Read more »

What type of lander could touch down on Jupiter’s volcanic moon, Io? This is what a recent paper presented at the AIAA... Read more »

An international of researchers, including the Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI) have used the... Read more »

Gamma ray bursts are among the most luminous explosions in the universe, briefly outshining entire galaxies in a violent flash of energy.... Read more »

The Search for Extraterrestrial Intelligence (SETI) has a data scale problem. There are just too many places to look for an interstellar... Read more »

When astronomers pointed their telescopes at a distant galaxy called HerS-3, they discovered something really quite remarkable. The galaxy, located 11.6 billion... Read more »

Interest in icy moons has been growing steadily as they become more and more interesting to astrobiologists. Some take the majority of... Read more »

The JWST observed the moon-forming disk around a Jupiter-mass planet about 625 light years away. The telescope gave astronomers a detailed view... Read more »

I remember the first time I pointed my 25cm telescope at the Ring Nebula in Lyra. Even through modest amateur optics, that... Read more »

Astronomy is increasingly becoming an online affair. Recent discoveries of interstellar Comet 3I/ATLAS and R2 SWAN highlighted this fact, when both were... Read more »

arXiv:2508.00249v1 Announce Type: new Abstract: Any population of artificial radio broadcasts in a galaxy contributes to its integrated radio luminosity. If this... Read more »

Reanalyzing old data with our modern understanding seems to be in vogue lately. However, the implications of that reanalysis for some topics... Read more »

Dark matter, as its name suggests, is really dark, so dark in fact that it doesn’t interact in any way with light... Read more »

Jupiter and its moons are busy in October. If skies are clear, be sure to set your alarm and follow the largest... Read more »

The Expedition 73 crew continued their science research and maintenance work aboard the International Space Station this week, despite the start of... Read more »

While civil servants are furloughed or working without pay, funding for NASA remains uncertain. The post NASA Faces Government Shutdown, Funding Fears... Read more »

See stunning photos of Comet C/2025 A6 (Lemmon) as it brightens ahead of a possible naked eye appearance in mid-October.... Read more »

Alien: Earth suggests a future where consciousness isn't confined to the body you're born in, but is this a realistic possibility, or... Read more »

Jeff Bezos' Blue Origin just announced the passenger list for NS-36, the company's 15th space tourism launch.... Read more »

What does the next generation of martian exploration look like? The answer, quite literally, is blowing in the wind. The Tumbleweed Mars... Read more »

Originally scheduled for October 11, a big observational event in southwestern New Mexico has been changed to Saturday, November 15. The original... Read more »

SpaceX sent 28 more of its Starlink satellites skyward from Vandenberg Space Force Base in California today (Oct. 3). It was the... Read more »

Rogue Incursion's non-VR edition isn't among the finest Alien games of all time, but Zula Hendricks' video game debut is no snoozer.... Read more »

Look up Oct. 5: the nearly Harvest Moon will guide you to Saturn, where a telescope reveals its famous rings — even... Read more »

When we target objects in the constellation Cygnus the Swan, one of the first that observers go to is the North America... Read more »

An asteroid, called 2025 TF, safely passed within roughly 250 miles (400 km) of our planet on Sept. 30 after surprising astronomers.... Read more »

On 6 October the shadow of Titan, Saturn’s giant moon, can be seen crossing Saturn’s creamy cloud tops.... Read more »

Promising a trick up its sleeve for astrophotographers, does the wholly digital OM System OM-3 deliver?... Read more »

The European Space Agency signed a cooperation deal with South Korea and advanced a rideshare mission with Japan, as the agency pushes... Read more »

In 1848, James Marshall was building a lumber mill in northern California for his employer, John Sutter. One January morning, Marshall spotted... Read more »

Week in images: 29 September - 3 October 2025 Discover our week through the lens... Read more »

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment... Read more »

A 12-ton rocket loaded with a 1-ton warhead, the V-2’s successful launch would prove to be exceptionally significant to both the military... Read more »

As NASA's ER-2 aircraft takes flight over the American Southwest, the GEMx mission is using high-altitude hyperspectral imaging to uncover Earth's hidden... Read more »

Auroras aren't over: the sun's decline brings more storms, and a 'last gasp' finale could light up skies in the next 2... Read more »

There are now 1 to 2 Starlink satellites falling back to Earth each day, burning up in the atmosphere with consequences not... Read more »

Interstellar object 3I/ATLAS swept closest to Mars at 11 p.m. CDT on October 2 (4 UTC on October 3). Read about plans... Read more »

Here's a chilling peek at Episode 7 of Apple TV+'s riveting sci-fi thriller... Read more »

Data from the Webb space telescope reveal that a massive planet around a distant star is encircled by a moon-forming disk. The... Read more »

Video: 00:07:42 2025 marks a landmark year for Europe’s ‘bridge between Earth and space’. The European Space Agency’s Estrack satellite tracking network... Read more »

NASA's Perseverance rover has found minerals that could have powered life on Mars — or simply shaped the Red Planet's environment in... Read more »

Sun news for October 3, 2025: Fast solar wind from coronal holes drove strong geomagnetic storms this morning, with more disturbance forecast... Read more »

Visible planets and night sky guide. This month is packed with skywatching treats. Watch this video preview with 5 must-see celestial events... Read more »

It's Harvest Moon week, when the Moon shines low and bright at nightfall for many days running. Along the way it passes... Read more »

It's Harvest Moon week, when the Moon shines low and bright at nightfall for many days running. Along the way it passes... Read more »

It's Harvest Moon week, when the Moon shines low and bright at nightfall for many days running. Along the way it passes... Read more »

It's Harvest Moon week, when the Moon shines low and bright at nightfall for many days running. Along the way it passes... Read more »

Image: This Copernicus Sentinel-2 image captures an active lava lake on the Kilauea volcano on Hawaii’s Big Island.... Read more »

New lunar samples from the far side reveal it formed from cooler magma than the near side, confirming the Moon’s interior is... Read more »

Let’s peer into Cetus the Whale to spot 1 Ceres this evening, one day past opposition and glowing at magnitude 7.6, within... Read more »

Sky This Week is brought to you in part by Celestron. Friday, October 3There’s a new potential supernova candidate in a spiral... Read more »

Ryan Génier from Kitchener, Ontario, Canada Emission nebula Sharpless 2–119 in Cygnus is also known as the Clamshell Nebula. Its ring-like appearance... Read more »

Astronomers using JWST have captured the sharpest infrared view yet of the supermassive black hole jet in M87, offering new insights into... Read more »

China's Tianwen 2 spacecraft took a picture of itself, as well as the Earth, while en route to a mysterious asteroid that... Read more »

ESA is making use of spacecraft originally dedicated to its Mars and Jupiter missions to track comet 3I/ATLAS as it continues its... Read more »

Spacecraft orbiting the Red Planet will aim a suite of instruments at Comet 3I/ATLAS to capture details about this enigmatic object. The... Read more »

Paying tribute to the 'Star Trek' creator's posthumous space adventure that still resonates with fans today.... Read more »

How Ridley Scott's third sci-fi masterpiece proved there is life on Mars after all, by telling a deeply human, and oddly familiar... Read more »

The first supermoon of 2025 rises on Oct. 6 close to the gas giant Saturn.... Read more »

A new rainbow spectrum from the STELES instrument on Chile's SOAR Telescope captures Eta Carinae in unprecedented detail.... Read more »

Video: 00:03:16 ESA’s Mars Express takes us on another mesmerising flight over curving channels carved by water, islands that have resisted erosion, and a... Read more »

Auroras may be visible from Alaska to New York as geomagnetic storm conditions are predicted to continue tonight.... Read more »

"This is the strongest accretion episode ever recorded for a planetary-mass object."... Read more »

Astronomers have discovered a rogue planet eating up 6 billion tons of gas and dust every second. That's the fastest rate ever... Read more »

Using the Webb space telescope, astronomers have observed auroras on rogue planet SIMP 0136. The giant starless world is about 20 light-years... Read more »

The discovery strengthens the case for a new mission to orbit and land on Enceladus and search for evidence of life.... Read more »

World Space Week dates back to 1999 and runs every year from October 4 to 10. This year, the theme is living... Read more »

Enjoy this gallery of deep-sky photos for September 2025 from our EarthSky community. If you have a great photo to share, send... Read more »

Fresh analysis of Cassini data has revealed new complex organic molecules inside ice grains spewing from Enceladus. These discoveries strengthen the case... Read more »

An unstable group of asteroids orbiting near Venus could threaten Earth — but not for a few thousand years... Read more »

This spinoff of Disney+'s 'The Mandalorian' TV series debuts in theaters on May 22, 2026.... Read more »

After a dearth of bright comets earlier this year, we look forward to an exciting month ahead. The post Two Bright Comets... Read more »

After a dearth of bright comets earlier this year, we look forward to an exciting month ahead. The post Two Bright Comets... Read more »

After a dearth of bright comets earlier this year, we look forward to an exciting month ahead. The post Two Bright Comets... Read more »

After a dearth of bright comets earlier this year, we look forward to an exciting month ahead. The post Two Bright Comets... Read more »

Scientists believe a moon of Uranus may have once had a subsurface ocean.... Read more »

Auroras may be visible from Alaska to Idaho as geomagnetic storm conditions are predicted to continue tonight.... Read more »

Two centuries after its completion, the Erie canal is celebrated from space, with NASA satellite imagery showing the engineering feat of this... Read more »

The European Space Agency and the Korea AeroSpace Administration (KASA) have announced they will work together on peaceful uses of space, starting... Read more »

See what the grim darkness of the future holds for the Warhammer 40,000 universe in the realm of video games.... Read more »

Does this flagship 44.3-megapixel photo and video hybrid camera have enough in its tank-like structure to satisfy astrophotographers?... Read more »

Over 80% of NASA's workforce is being told to stay home during the government shutdown.... Read more »

ESA has signed a €40m contract with Avio to develop a reusable upper stage demonstrator, marking a step toward Europe's own Starship-like... Read more »

The European Space Agency (ESA) has signed a €50 million contract with aerospace company Thales Alenia Space to begin the preliminary design... Read more »

NASA has reported possible biosignatures in a Mars rock, but delays and funding woes cloud its sample return mission. Could China's Tianwen-3... Read more »

Following its arrival in California a few weeks ago, the time has come for spacecraft engineers to ready the next sea-level monitoring... Read more »

Humberto and Imelda are “crowding” the Atlantic basin. They are relatively near each other. Humberto appears to be exerting a “pull” on... Read more »

'This world goes much deeper than you imagine'... Read more »

What about those previously studied plumes of methane and meteorites potentially stuffed with the fossils of Martian microbes?... Read more »

The LUX-ZEPLIN detector is breaking new ground in the hunt for dark matter, setting unprecedented limits on WIMP particles. Its results not... Read more »

Pegasus is a large, distinctive constellation that’s easy to spot. During October, you can use it — along with Saturn — to... Read more »

Pegasus is a large, distinctive constellation that’s easy to spot. During October, you can use it — along with Saturn — to... Read more »

Pegasus is a large, distinctive constellation that’s easy to spot. During October, you can use it — along with Saturn — to... Read more »

Perseverance rover data shows Jezero Crater once held a calm lake, leaving behind mudstones rich in organic-linked minerals. The presence of iron-phosphate... Read more »

Astronomers using the James Webb Space Telescope are unraveling the mysteries of TRAPPIST-1e, an Earth-sized exoplanet 40 light years away that could... Read more »

by Kat Troche of the Astronomical Society of the Pacific September 2025 marks ten years since the first direct detection of gravitational... Read more »

NASA and Blue Origin are reopening media accreditation for the launch of the agency’s ESCAPADE (Escape and Plasma Acceleration and Dynamics Explorers)... Read more »

Astronomers using the James Webb Space Telescope have delivered the first detailed weather report of a nearby rogue world, and it's stormier... Read more »

NASA, along with leaders from global space agencies and government representatives worldwide, convened on Monday to further the implementation of the Artemis... Read more »

Lunar samples reveal the far side of the moon, hidden from Earth's view, may have a cooler interior than the near side.... Read more »

A supermoon, and meteor showers from the Draconids and Orionids A supermoon takes over the sky, the Draconid meteor shower peeks through,... Read more »

Since we all have a relationship with the Sun, it is important to learn about how it impacts our lives. NASA’s Heliophysics... Read more »

Since we all have a relationship with the Sun, it is important to learn about how it impacts our lives. NASA’s Heliophysics... Read more »

The JWST has studied the chemical composition of a moon-forming disk circling a giant planet 625 light-years away.... Read more »

At the International Astronautical Congress (IAC) taking place in Sydney this week, representatives from the United States and Australia gathered to sign... Read more »

Headquarters Centers... Read more »

2025 Space Policy Institute 10.21.2025 MSBR Space Business Roundtable 10.15.2025 76th International Astronautical Congress_IAC 9-29-25 2025 Von Braun Memorial Dinner 10.29.25 Space... Read more »

The (Proto) Planet:  WISPIT 2b  The Discovery:  Researchers have discovered a young protoplanet called WISPIT 2b embedded in a ring-shaped gap in... Read more »

A fight against conventionality has driven cosmologist Stephon Alexander on a groundbreaking journey through theoretical physics. The post Music and Science Unite... Read more »

How a cancelled TV show got a short-lived reprieve on the big screen.... Read more »

Vaonis has just released a limited-edition run of their Vespera II smart telescopes with a stylish clear housing and a built-in hygrometer... Read more »

During its close flyby of Jupiter’s moon Io on December 30, 2023, NASA’s Juno spacecraft captured some of the most detailed imagery... Read more »

During its close flyby of Jupiter’s moon Io on December 30, 2023, NASA’s Juno spacecraft captured some of the most detailed imagery... Read more »

A decade before George Lucas flew off to a galaxy far, far away, International Rescue introduced a generation to the coolest toys... Read more »

Gerard Butler and Morena Baccarin return in this $65 million sequel to 2020’s post-apocalyptic hit.... Read more »

This early October Prime Day deal gets you the Celestron TrailSeeker 8x42 binoculars for just $190 on Amazon — their lowest price... Read more »

Mining the moon for helium-3: How real is the prospect, and is there a business case for such an undertaking?... Read more »

Science, especially when conducted remotely on another planet, is rarely black and white.... Read more »

This limited-time deal gets you the Canon EOS R5 Mark II with the RF 24-105mm f/4 lens kit for just $4925— $174... Read more »

This quiz is your chance to dive into the wonders of Hubble's legacy... Read more »

Over 950 events are scheduled for International Observe the Moon Night 2025.... Read more »

A new image from NOIRLab shows telescopes on two Chilean peaks in the Atacama Desert.... Read more »

A new boron-rich compound, manganese diboride, delivers much higher energy density than current solid-rocket materials while remaining stable until intentionally ignited. Its... Read more »

For decades, Uranus baffled scientists because it seemed to have no internal heat. Now, new computer modeling shows the planet actually emits... Read more »

The James Webb Telescope has revealed fierce auroras, storms, and unchanging sand-like clouds on the rogue planet SIMP-0136. These insights are pushing... Read more »

This NASA/ESA Hubble Space Telescope image features the nebula LMC N44C.... Read more »

Hubble has captured a striking new image of NGC 2775, a galaxy that defies easy classification. Blending features of spirals, ellipticals, and... Read more »

Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation. Initially, the planet was... Read more »

A fresh black hole merger detection has offered the clearest evidence yet for Einstein’s relativity and Hawking’s predictions. Scientists tracked the complete... Read more »

When you think about national park and public land astronomy programs, you might picture remote locations far from city lights. But a... Read more »

Primordial chemistry might destroy most of the water on sub-Neptunes; if so, there could be far fewer “water worlds” than previously thought.... Read more »

The NASA Community College Network (NCCN) and the American Astronomical Society (AAS) have teamed up to provide an exciting and impactful program... Read more »

The waxing crescent Moon crosses Scorpius on its way to a meetup with Saturn, while the Moon's own sunrise line unveils more... Read more »

The waxing crescent Moon crosses Scorpius on its way to a meetup with Saturn, while the Moon's own sunrise line unveils more... Read more »

The waxing crescent Moon crosses Scorpius on its way to a meetup with Saturn, while the Moon's own sunrise line unveils more... Read more »

The waxing crescent Moon crosses Scorpius on its way to a meetup with Saturn, while the Moon's own sunrise line unveils more... Read more »

VIPER, a water-seeking rover, has gotten a new lease on life, with a new launch vehicle and lander announced by NASA. The... Read more »

This stunning Earth image taken from the International Space Station looks at a large lake in eastern Kazakhstan with golden sunglint: Lake... Read more »

Although this spiral galaxy appears unremarkable from afar, NGC 7456 is bursting with newborn stars and glowing gas, providing researchers with insight... Read more »

Physicists are eyeing charged gravitinos—ultra-heavy, stable particles from supergravity theory—as possible Dark Matter candidates. Unlike axions or WIMPs, these particles carry electric... Read more »

A SpaceX Falcon 9 rocket carrying NASA’s IMAP (Interstellar Mapping and Acceleration Probe), the agency’s Carruthers Geocorona Observatory, and National Oceanic and Atmospheric... Read more »

STEM learning ecosystems are intentionally designed, community-wide partnerships that enable all Americans to actively participate in science, technology, engineering, and math (STEM)... Read more »

Astronomers detected a black hole displaced nearly a kiloparsec from the center of a dwarf galaxy 230 million light-years away. Unlike most,... Read more »

There’s a ‘new’ star in the constellation of Centaurus. A nova dramatically appeared on 22 September, discovered by John Seach of Grafton,... Read more »

A new heliophysics mission seeks to unlock the secrets of the region where the solar wind collides with cosmic radiation. The post... Read more »

NASA astronaut Nick Hague watches as Robert Schmidle Pitts Aerobatics perform, Friday, Sept. 12, 2025, during the Joint Base Andrews Air Show... Read more »

NASA’s 10 new astronaut candidates were introduced Monday, Sept. 22, 2025, following a competitive selection process of more than 8,000 applicants from... Read more »

John Seach hit the jackpot, discovering novae in both Centaurus and Sagittarius within a day of each other. The post Australian Amateur... Read more »

John Seach hit the jackpot, discovering novae in both Centaurus and Sagittarius within a day of each other. The post Australian Amateur... Read more »

John Seach hit the jackpot, discovering novae in both Centaurus and Sagittarius within a day of each other. The post Australian Amateur... Read more »

John Seach hit the jackpot, discovering novae in both Centaurus and Sagittarius within a day of each other. The post Australian Amateur... Read more »

Curiosity is exploring Mars’ boxwork terrain, where ridges and hollows may have formed from cementation and erosion. The rover has been documenting... Read more »

NASA has chosen 10 new astronaut candidates who will train for missions to the Moon and Mars. Their selection represents a powerful... Read more »

Primordial magnetic fields, billions of times weaker than a fridge magnet, may have left lasting imprints on the Universe. Researchers ran over... Read more »

IC 348 is a star-forming region in our Milky Way galaxy.... Read more »

In Jezero Crater’s Bright Angel formation, Perseverance has found rocks rich in organic molecules and minerals linked to microbial metabolism. Their arrangement... Read more »

When two neutron stars collide, they unleash some of the most powerful forces in the universe, creating ripples in spacetime, showers of... Read more »

Hubble’s latest look at Messier 96 reveals a warped spiral galaxy glowing with rings of stellar birth. The new details shed light... Read more »

NASA has confirmed 6,000 exoplanets, marking a major milestone in humanity’s quest to understand other worlds. From gas giants hugging their stars... Read more »

On these dark evenings the Perseus Double Cluster and the Andromeda Galaxy, M31, await in the northeast. They're only two fist-widths apart.... Read more »

On these dark evenings the Perseus Double Cluster and the Andromeda Galaxy, M31, await in the northeast. They're only two fist-widths apart.... Read more »

On these dark evenings the Perseus Double Cluster and the Andromeda Galaxy, M31, await in the northeast. They're only two fist-widths apart.... Read more »

In this infrared photograph, the Optical Communications Telescope Laboratory at JPL’s Table Mountain Facility near Wrightwood, California, beams its eight-laser beacon to... Read more »

A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their water deep into their... Read more »

Scientists at Rutgers and collaborators have traced the invisible dark matter scaffolding of the universe using over 100,000 Lyman-alpha emitting galaxies. By... Read more »

Astronomers have long relied on supercomputers to simulate the immense structure of the Universe, but a new tool called Effort.jl is changing... Read more »

The Milky Way appears above Earth's bright atmospheric glow in this photograph from the International Space Station as it soared 261 miles... Read more »

Jezero Crater’s rocks reveal three stages of water activity, shifting from hostile acidic fluids to more life-friendly alkaline ones. Perseverance’s discoveries guide... Read more »

Faint hydrogen signals from the cosmic Dark Ages may soon help determine the mass of dark matter particles. Simulations suggest future Moon-based... Read more »

Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf star, offering the clearest... Read more »

Titan joins its shadow for a "grand finale" this October. The post Last Call for a Remarkable Titan Shadow Transit appeared first... Read more »

Titan joins its shadow for a "grand finale" this October. The post Last Call for a Remarkable Titan Shadow Transit appeared first... Read more »

Titan joins its shadow for a "grand finale" this October. The post Last Call for a Remarkable Titan Shadow Transit appeared first... Read more »

NASA astronaut Zena Cardman processes bone cell samples inside the Kibo laboratory module's Life Science Glovebox on Aug. 28, 2025.... Read more »

Scientists from the University of St Andrews have discovered that ions in solar flares can reach scorching temperatures more than 60 million... Read more »

A strange “Einstein Cross” with an extra, impossible fifth image has revealed the hidden presence of a massive dark matter halo. An... Read more »

A new AI model from NYU Abu Dhabi predicts solar wind days in advance with far greater accuracy than existing methods. By... Read more »

Late-stage planetary collisions reshaped Earth and its neighboring planets, delivering water, altering their atmospheres, and influencing their tectonics. New findings suggest these... Read more »

Westerlund 1 is the biggest and closest “super” star cluster to Earth. Data from Chandra and other telescopes are helping astronomers delve... Read more »

NASA’s Perseverance rover has delivered its most compelling clue yet in the search for life on Mars. A rock sample called “Sapphire... Read more »

The booming space industry has filled the skies with rockets and satellites, but this rapid expansion comes with a hidden danger: slowing... Read more »

Behind the dusty clouds of the Cigar Galaxy lies a dazzling powerhouse of star formation, where stars are being born ten times... Read more »

One of the challenges many teachers face year after year is a sense of working alone. Despite the constant interaction with students... Read more »

NASA astronauts Matthew Dominick (left) and Mark Vande Hei (right) prepare to fly out to a landing zone in the Rocky Mountains... Read more »

Scientists are unraveling the mysteries of "steam worlds"—exoplanets known as sub-Neptunes that are rich in water but orbit so close to their... Read more »

Billions of years ago, Mars may not have been the frozen desert we see today. New simulations suggest that volcanic eruptions pumped... Read more »

Astronomers using the James Webb Space Telescope have uncovered mysterious “little red dots” that may not be galaxies at all, but a... Read more »

For centuries, scientists have puzzled over globular clusters, the dense star systems that orbit galaxies without dark matter. Using ultra-detailed simulations, researchers... Read more »

Mars’ Jezero Crater holds signs of ancient water and strange mineral reactions, some linked with organic compounds. With Perseverance’s samples and AI-refined... Read more »

See the images that won the 2025 Astronomy Photographer of the Year award. The post Royal Observatory Greenwich / ZWO Astronomy Photographer... Read more »

Ukrainian amateur discovers a bright, new comet now in the evening sky. The post New Comet SWAN (C/2025 R2) Pops Out from... Read more »

Ukrainian amateur discovers a bright, new comet now in the evening sky. The post New Comet SWAN (C/2025 R2) Pops Out from... Read more »

Ukrainian amateur discovers a bright, new comet now in the evening sky. The post New Comet SWAN (C/2025 R2) Pops Out from... Read more »

The Sun blew out a coronal mass ejection along with part of a solar filament over a three-hour period on Feb. 24,... Read more »

by Astronomy Now Editor, Stuart Clark We are pleased to announce that our new Astronomy Now app is live! Since taking ownership... Read more »

Venus has double close conjunctions with the crescent Moon and Regulus in the dawn next Friday the 19th. Meanwhile, Saturn and Neptune... Read more »

Venus has double close conjunctions with the crescent Moon and Regulus in the dawn next Friday the 19th. Meanwhile, Saturn and Neptune... Read more »

Venus has double close conjunctions with the crescent Moon and Regulus in the dawn next Friday the 19th. Meanwhile, Saturn and Neptune... Read more »

Gravitational-wave astronomy has exploded since 2015, capturing hundreds of black hole and neutron star collisions. With ever-clearer signals, researchers are testing Einstein’s... Read more »

NASA’s Magnetospheric Multiscale Mission has uncovered surprising behavior of pickup ions drifting through the solar wind near Earth. These particles, once thought... Read more »

Astronomers have uncovered the violent secret of V Sagittae, a white dwarf star consuming its companion in a spectacular feeding frenzy. This... Read more »

Physicists may soon witness a cosmic fireworks show: the explosive death of a primordial black hole. Once thought to be unimaginably rare,... Read more »

NASA's James Webb Space Telescope captured newborn stars forming in clouds of dust and gas (colored golden and orange in this image)... Read more »

Hubble’s latest image captures a glittering star cluster inside the Large Magellanic Cloud, a dwarf galaxy about 160,000 light-years from Earth. This... Read more »

Hubble has uncovered a rare ultra-massive white dwarf created in a violent star merger. Once thought to be ordinary, the star’s ultraviolet... Read more »

NASA’s Perseverance rover has discovered mudstones in Mars’ Jezero Crater that contain organic carbon and unusual textures hinting at possible biosignatures. These... Read more »

Physicists have unveiled a new superconducting detector sensitive enough to hunt dark matter particles smaller than electrons. By capturing faint photon signals,... Read more »

Dinner is served aboard the International Space Station! One tray features shrimp cocktail on whole grain wheat crackers, while the other holds... Read more »

Astronomers studying an oddball brown dwarf called “The Accident” have finally spotted silane, a long-predicted silicon molecule missing from Jupiter and Saturn’s... Read more »

From left to right, NASA astronauts Victor Glover, Artemis II pilot; Reid Wiseman, Artemis II commander; CSA (Canadian Space Agency) astronaut Jeremy... Read more »

Scientists caution that asteroid deflection must be precise, as striking the wrong spot risks sending it through a gravitational keyhole that sets... Read more »

Saturn’s icy moon Enceladus has long fascinated scientists with its spectacular water plumes, which NASA’s Cassini spacecraft once revealed to contain organic... Read more »

Astronomers have directly spotted a rare young planet, WISPIT 2b, still forming within the gap of a dusty ringed disk around a... Read more »

NASA astronaut and Expedition 68 Flight Engineer Frank Rubio is pictured inside the cupola, the International Space Station's "window to the world,"... Read more »

Astronomers have seen tentative evidence for an atmosphere on TRAPPIST-1e, a rocky planet 40 light years away.... Read more »

As college students across the country embark upon the academic year, NASA is giving them something else to look forward to –... Read more »

Physicists at the University of Colorado Boulder have created the first time crystal that humans can actually see, using liquid crystals that... Read more »

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching... Read more »

For decades, scientists have puzzled over why lunar rocks show signs of strong magnetism when the moon itself has no global magnetic... Read more »

Orion Mission Evaluation Room (MER) team member works during an Artemis II mission simulation on Aug. 19, 2025, from the new Orion... Read more »

Saturn nears opposition as the full Moon passes it. Once the Moon goes away, the dark sky offers binocular users the Dumbbell... Read more »

Saturn nears opposition as the full Moon passes it. Once the Moon goes away, the dark sky offers binocular users the Dumbbell... Read more »

Saturn nears opposition as the full Moon passes it. Once the Moon goes away, the dark sky offers binocular users the Dumbbell... Read more »

Researchers spotted a colossal cloud of gas and dust in the Milky Way, filled with turbulent motion, newborn star seeds, and even... Read more »

NASA astronauts Jonny Kim and Zena Cardman, both Expedition 73 Flight Engineers, pose for a portrait inside the International Space Station's Unity... Read more »

A promising comet could reach naked-eye brightness next month. Here's how to track it. The post Sweet Prospects for Comet Lemmon (C/2025... Read more »

A promising comet could reach naked-eye brightness next month. Here's how to track it. The post Sweet Prospects for Comet Lemmon (C/2025... Read more »

Sea ice is frozen seawater that floats in the ocean. This photo, taken from NASA’s Gulfstream V Research Aircraft on July 21, 2022,... Read more »

Solar Orbiter has identified the Sun’s dual “engines” for superfast electrons: explosive flares and sweeping coronal mass ejections. By catching over 300... Read more »

Spotting Earth-like planets is nearly impossible with conventional telescopes, but researchers propose a bold fix: a rectangular design that can separate a... Read more »

Astronomers using ALMA have discovered that planet-forming discs are not flat and serene but subtly warped, reshaping our understanding of how planets... Read more »

This long-exposure photograph, taken over 31 minutes from a window inside the International Space Station’s Kibo laboratory module, captures the graceful arcs... Read more »

September’s night sky features the iconic Summer Triangle, almost directly overhead at nightfall, and a newcomer to the evening sky: the planet... Read more »

In the sparsely populated Kimberley region of Western Australia, jagged landforms reach like fingers into the turquoise-blue ocean waters. Along the coastline... Read more »

Jupiter, Venus, and Mercury continue at dawn. The evening Moon meets Saturn while Fomalhaut looks on. Saturn's own biggest moon casts its... Read more »

NASA astronaut Zena Cardman poses for a portrait in a photography studio at NASA’s Johnson Space Center in Houston, Texas.... Read more »

NASA astronaut Jonny Kim and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui will connect with students in New York as they... Read more »

ESA Open Days 2025 Your chance to meet the European Space Agency... Read more »

NASA’s X-59 quiet supersonic research aircraft sits on the ramp at sunrise before ground tests at Lockheed Martin’s Skunk Works facility in... Read more »

NASA is kicking off the 2026 Student Launch challenge, looking for new student teams to design, build, and launch high-powered rockets with a... Read more »