News

In their historic first crewed mission to the Moon, Apollo 8 crew Frank Borman, Jim Lovell, and Bill Anders made a Christmas... Read more »

The reindeer ain't got time to bleed.... Read more »

NASA engineer Guy Naylor poses for a photograph wearing a custom Santa Claus suit on the 19th level of High Bay 4... Read more »

Santa Claus (NASA engineer Guy Naylor) poses with NASA’s Artemis II Orion spacecraft and SLS (Space Launch System) rocket in the Vehicle... Read more »

Earth's radio bubble is the extent to which our radio broadcasts have traveled. The 1st intentional radio broadcast was on December 24,... Read more »

The South Sandwich Islands were born from a tectonic collision, forged by volcanism and relentlessly reshaped by ice, wind and waves.... Read more »

Sun news December 24, 2025: Fast solar wind and a possible CME glancing blow might spark Christmas Eve auroras in high-latitude skies.... Read more »

Astronaut William Anders took this iconic photo of Earthrise on the 4th orbit of the moon aboard Apollo 8 on December 24,... Read more »

2025 was an amazing year for dinosaur discoveries, from dome-headed dinos to mini T. rexes. Here are some of the most exciting... Read more »

2025 was another big year for black holes, and here's our pick of the top black hole stories from the last twelve... Read more »

Looking for a sky event this week? Check out our full Sky This Week column.  December 23: Comet Schaumasse closes in on the Virgo... Read more »

Visible planets and night sky guide. Look for the waxing crescent moon hanging low in the western sky about 30 minutes after... 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 »

According to the patent, habitable modules would rotate around a central axis to simulate gravity for crew by producing an outward-pushing centrifugal... Read more »

In a galaxy not so far away, Lego sets can be VERY expensive: Here are the most expensive Lego Star Wars sets... Read more »

Outside Earth's protection, space travellers will be routinely exposed.... Read more »

Newly confirmed NASA Administrator Jared Isaacman spoke to agency employees on Friday, Dec. 19 in an agencywide town hall. In his first... Read more »

Early risers across North America and Europe may spot a bright, silent light gliding across the Christmas sky — and it just... Read more »

Introduction The Observational Products for End-Users from Remote Sensing Analysis (OPERA) project represents a strategic initiative designed to address critical satellite data... Read more »

For most, getting into a car is a task that can be done without assistance. Yet for those whose destination is the... Read more »

Charles Pevsner, taken from Rio Hurtado, Chile The Seagull Nebula is the suspected site of several past supernovae, which have blown gas... Read more »

Fast solar wind and a possible glancing blow from a coronal mass ejection could spark auroras over Christmas.... Read more »

3I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues... Read more »

From left to right, CSA (Canadian Space Agency) astronaut Jeremy Hansen and NASA astronauts Christina Koch, Victor Glover, and Reid Wiseman are... Read more »

From left to right, CSA (Canadian Space Agency) astronaut Jeremy Hansen and NASA astronauts Christina Koch, Victor Glover, and Reid Wiseman stand... Read more »

NASA’s launch and mission teams, along with the Artemis II crew, completed a key test Dec. 20, a countdown demonstration test, ahead... Read more »

Astronomers are trying to determine if they've witnessed a complex stellar explosion or a relatively ordinary supernova. The post Did Astronomers See... Read more »

An Indian LVM3 rocket successfully launched the massive BlueBird 6 smartphone satellite for AST SpaceMobile to orbit on Tuesday night (Dec. 23).... Read more »

OK, first, let’s get the name out of the way. Scientists have cataloged this exoplanet as PSR J2322-2650b. It’s called that because... Read more »

"Science doesn't always go as planned. In any case, there's a lot of work to be done."... Read more »

NASA astronaut Brig. Gen. Nick Hague has retired from the agency, concluding a distinguished career that included two spaceflight missions, 374 days... Read more »

Astronomers using NASA’s Hubble Space Telescope have imaged the largest protoplanetary disk ever observed circling a young star. For the first time... Read more »

Highlights from a cometary trio that captured our imaginations.... Read more »

Listen to this audio excerpt from Grace Lauderdale, exploration project manager for the Training Systems Office at NASA Johnson: In preparation for their mission... Read more »

Across the span of 1671 through 1684, Italian-French astronomer Giovanni Cassini discovered four moons of Saturn while working under the patronage of... Read more »

The "America 250" logo commemorates the upcoming 250th anniversary of the signing of the Declaration of Independence.... Read more »

NASA's Parker Solar Probe images have revealed solar material blasted out from the sun returning to our star, rather than escaping as... Read more »

The James Webb Space Telescope (JWST) was involved in yet another first discovery recently available in pre-print form on arXiv from Cicero... Read more »

Here are our top 6 favorite EarthSky videos from 2025. What will we share in 2026? Visit YouTube.com/@EarthSky to find out! The... Read more »

Here are the top 10 stories of 2025. An interstellar comet visited us, cameras captured a meteorite strike and an earthquake, and... Read more »

We just got a great up-close look at a SpaceX Starlink satellite that recently suffered an anomaly in orbit, thanks to Vantor's... Read more »

The Christmas Tree cluster is a collection of sparking bluish-white stars. It is above a cone-shaped cloud of gas in the constellation... Read more »

From a crescent moon and a 'Christmas Star' to deep sky delights, the wonders of the holiday night sky are yours to... Read more »

Did you know the latest sunrises don’t occur on the shortest day, and the latest sunsets don’t fall on the longest day... Read more »

Looking for a sky event this week? Check out our full Sky This Week column.  December 22: The Ursid meteor shower peaks Rising around... Read more »

The South Korean startup Innospace failed during its first orbital launch attempt, which sent five satellites aloft on Dec. 22 from Brazil.... Read more »

Written by Lucy Thompson, Planetary Scientist and APXS team member, University of New Brunswick, Canada Earth planning date: Monday, Dec. 22, 2025... Read more »

Oleg Orlov, Director of the Institute of Biomedical Problems at the Russian Academy of Sciences (RAS), announced that the Russian Orbital Station... Read more »

Test your cosmic eye: can you match these dazzling nebula images to their names?... Read more »

In the quarter century that humans have lived and worked aboard the International Space Station, astronauts and visitors from around the world... Read more »

Watch those skies! In 2025, quality television really did come from outer space.... Read more »

Yuletide season is officially upon us and here's a joyous array of new titles to add to your holiday reading list.... Read more »

After detecting a strange combination of signals in the summer of 2025, astronomers believe they may have captured the first evidence of... Read more »

NORAD celebrates its 70th year of tracking Santa Claus as he flies around the world delivering joy this Christmas Eve.... Read more »

Mission highlight: Long March 12A demo flight The mission highlight this week is the inaugural flight of China’s Long March 12A. Developed... Read more »

Rocket Lab launched its 21st and final mission of the year over the weekend, sending a private Japanese Earth-observing satellite to orbit.... Read more »

Qingzhou is a lighter and potentially lower-cost alternative to China's Tianzhou freighter.... Read more »

Waves of recent star formation have made Orion winter's most scintillating constellation. You can see how it all came to be. The... Read more »

Waves of recent star formation have made Orion winter's most scintillating constellation. You can see how it all came to be. The... Read more »

Waves of recent star formation have made Orion winter's most scintillating constellation. You can see how it all came to be. The... Read more »

Auroras may be visible from Alaska to Idaho as incoming speedy solar wind continues to buffet Earth's magnetic field.... Read more »

From space slugs to lunar cemeteries, these movies, games, and books show that the undead can arrive from above, as well as... Read more »

Saturn’s largest moon, Titan, may not have a subsurface ocean after all. That’s according to a re-examination of data captured by NASA’s... Read more »

These two galaxies are named NGC 4490 and NGC 4485, and they’re located about 24 million light-years away in the constellation Canes... Read more »

In 2025, NASA’s Armstrong Flight Research Center in Edwards, California, advanced work across aeronautics, Earth science, exploration technologies, and emerging aviation systems,... Read more »

Bitcoin-mining mega data center seen leaking heat into the environment in an image captured from orbit by a thermometer satellite... Read more »

The first scientific balloon flight happened on Dec. 16, 2025.... Read more »

"I think every astronomer is going to find something of value here, as NASA's missions enable the world to answer fundamental questions... Read more »

Image: Euclid image of galaxy NGC 646... Read more »

One of the primary goals of the James Webb Space Telescope (JWST) is to detect atmospheres around exoplanets, to try to suss... Read more »

A bevy of comets, a "blood moon" total lunar eclipse and impressive northern lights were just three of the skywatching highlights in... Read more »

Black holes are among the most extreme objects in the universe, and now scientists can model them more accurately than ever before.... Read more »

A Japanese H3 rocket suffered an anomaly during the launch of a navigation satellite on Sunday night (Dec. 21), resulting in the... Read more »

Enjoy some out-of-this-world fun this Christmas with my selection of the best space board games available right now.... Read more »

During November 2025, ESA’s Jupiter Icy Moons Explorer (JUICE) used five of its science instruments to observe 3I/ATLAS. The instruments collected information... Read more »

A sampling of aging Sun-like stars demonstrates that they likely eat their closest planets.... Read more »

Over the past 12 months, we saw multiple spaceflight records broken, the debut of a powerful new rocket and the first-ever fully... Read more »

Ursid shooting stars may be visible throughout the night on Dec. 21-22.... Read more »

Engineers need good data to build lasting things. Even the designers of the Great Pyramids knew the limestone they used to build... Read more »

As the veteran 'Who' antagonists get ready for their close-up, we look back at 50 years of underwater history.... Read more »

Year in images 2025 Our year through the lens: a selection of our favourite images for 2025... Read more »

Today marks the shortest day and longest night of the year as the sun reaches its lowest point in the Northern Hemisphere... Read more »

Black Friday offers massive discounts on a host of products, but you don't have to wait until the next one to save... Read more »

Astronomers have uncovered a massive hidden planet and a rare “failed star” by combining ultra-precise space data with some of the sharpest... Read more »

By studying tiny distortions in the shapes of distant galaxies, scientists mapped dark matter and dark energy across one of the largest... Read more »

Using the James Webb Space Telescope, a team of international researchers has discovered chemical fingerprints of gigantic primordial stars that were among... Read more »

You don't have to search the upside down to find the best Stranger Things gifts outside of Hawkins, so celebrate season five's... Read more »

An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the... Read more »

For years, scientists thought Saturn’s moon Titan hid a global ocean beneath its frozen surface. A new look at Cassini data now... Read more »

As Avatar: Fire and Ash makes its cinematic debut, here's James Cameron's best directorial sci-fi movies to date – and the list... Read more »

On Episode 190 of This Week In Space, Rod Pyle and Tariq Malik look back at the past year in space —... Read more »

Hated rivals Dennis Quaid and Lou Gossett Jr. find brotherhood on a desolate planet in Wolfgang Petersen's cult sci-fi classic.... Read more »

During the deployment of new space telescopes that are several critical steps each has to go through. Launch is probably the one... Read more »

Does the universe notice that we're paying attention to a quantum experiment? The answer goes against everything we thought we knew.... Read more »

Show the space enthusiast in your life that you love them to the moon and back with the best last-minute holiday gifts... Read more »

Are you behind on your holiday shopping or holding out for some final pre-Christmas bargains? From telescopes to monoculars, we've rounded up... Read more »

We greet the winter solstice. Jupiter nears opposition. Will the two Dog Stars balance for you? And meet the House in the... Read more »

We greet the winter solstice. Jupiter nears opposition. Will the two Dog Stars balance for you? And meet the House in the... Read more »

We greet the winter solstice. Jupiter nears opposition. Will the two Dog Stars balance for you? And meet the House in the... Read more »

We greet the winter solstice. Jupiter nears opposition. Will the two Dog Stars balance for you? And meet the House in the... Read more »

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar... Read more »

The 3,600-piece Lego Icons Star Trek USS Enterprise is Lego's first-ever Star Trek set, and you get a free gift when you... Read more »

"We do not know with certainty that we found a superkilonova, but the event nevertheless is eye-opening."... Read more »

Odin Space and Arkisys are teaming up to provide customers with pioneering insurance for spacecraft specifically to cover space debris collision events.... Read more »

Discovered by amateur astronomers, a mysterious arc of gas might be the ghostly remains of a star shedding its outer layers. However,... Read more »

Ubisoft's ambitious open-world game remains the best way to immerse yourself in Pandora's lush locales, exotic creatures, and fierce battles.... Read more »

NASA astronaut Don Pettit demonstrates electrostatic forces using charged water droplets and a knitting needle made of Teflon.... Read more »

For the first time, astronomers using the Hubble Space Telescope have spotted a pair of catastrophic collisions in another solar system. They... Read more »

Whether you're buying for yourself or hunting for a gift for a keen astrophotographer, there's still time to save hundreds with these... Read more »

A photographer in Italy captured an ultra-rare elve and red sprite flashing above the Alps in a single breathtaking moment.... Read more »

Video: 00:05:30 On 17 December 2025, two new Galileo satellites lifted off from Europe’s Spaceport in French Guiana. This was the 14th launch... Read more »

On 14 January 2026, the European Space Agency (ESA) will hold an online post-CM25 industry event for all ESA industrial partners.... Read more »

ESA Impact 2025 - October-December Welcome to ESA Impact, your interactive gateway to the most captivating stories and stunning visuals from the... Read more »

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system,... Read more »

Getting close to things is one way for scientists to collect better data about them. But that's been hard to do for... Read more »

Image: Dwarf stars in a glittering sky... Read more »

Cosmic “touchdown airbursts” — explosions of comets or asteroids above Earth’s surface — may be far more common and destructive than previously... Read more »

Gravitational waves from black holes may soon reveal where dark matter is hiding. A new model shows how dark matter surrounding massive... Read more »

In a new paper, a team of researchers explores how non-human species (in this case, fireflies) could inform new approaches in the... Read more »

Astronomers may have just seen the first ever ‘superkilonova,’ a combination of a supernova and a kilonova. These are two very different... Read more »

NASA Space Apps announced Thursday 10 winners of the 2025 NASA Space Apps Challenge. During this two-day hackathon, participants gathered at 551... Read more »

Justin Hall, left, controls a subscale aircraft as Justin Link holds the aircraft in place during preliminary engine tests on Friday, Sept.... Read more »

In 2024, astronomers discovered the brightest Luminous Fast Blue Optical Transient (LFBOT) ever observed. LFBOTs are extremely bright flashes of blue light... Read more »

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big... Read more »

Video: 00:00:00 Watch the replay of the media information session in which ESA Director General Josef Aschbacher and ESA Council Chair Renato Krpoun... Read more »

NASA Science encourages all people to actively participate in science through activities and resources developed by a collaborative network of project teams drawing... Read more »

Astronomers have detected spacetime itself being dragged and twisted by a spinning black hole for the first time. The discovery, seen during... Read more »

The 5th Annual Science, Technology, Engineering, & Mathematics (STEM) Exploration Community Event hosted by the Coastal Virginia STEM Hub and the NASA... Read more »

With new technologies comes new discoveries. Or so Spider Man’s Uncle Ben might have said if he was an astronomer. Or a... Read more »

There could be liquid water trapped under the southern polar cap of Mars. But new observations suggest otherwise. The post New Radar... Read more »

This NASA/ESA Hubble Space Telescope image features the blue dwarf galaxy Markarian 178 (Mrk 178) against a backdrop of distant galaxies in... Read more »

Researchers have shown that quantum signals can be sent from Earth up to satellites, not just down from space as previously believed.... Read more »

Gemini North captured new images of Comet 3I/ATLAS after it reemerged from behind the Sun on its path out of the Solar... Read more »

Everyone’s favorite interstellar comet posed for one more portrait recently. The European Space Agency’s XMM-Newton mission nabbed 3I/ATLAS on December 3rd from... Read more »

As we head towards the end of 2025, it barely seems like five minutes ago that it was June and I was... Read more »

It has been a busy year for the European Space Agency’s Proba-3 mission. The satellite duo has already created more than 50... Read more »

In astronomy, there is a concept called “degeneracy”. It has nothing to do with delinquent people, but instead is used to describe... Read more »

A mysterious cloud of ultra-hot dust around Kappa Tucanae A may finally have an explanation: a hidden companion star. The star’s extreme... Read more »

NASA is now accepting concepts for a new research challenge. The Opportunities in Research, Business, Innovation, and Technology (ORBIT) challenge is a... Read more »

Where does the Sun end and the solar wind begin? Scientists have mapped the dynamic magnetic edge that bounds our star. The... Read more »

Clockwise from left, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui and NASA astronauts Jonny Kim, Zena Cardman, and Mike Fincke pose... Read more »

When we gaze up at the night sky, we assume that what we're seeing is a representative population of similar stars at... Read more »

Ramanujan’s elegant formulas for calculating pi, developed more than a century ago, have unexpectedly resurfaced at the heart of modern physics. Researchers... Read more »

Physicists have found a clever way to detect the elusive Unruh effect without extreme accelerations. By using atoms that emit light cooperatively... Read more »

NASA is working to restore communications with its MAVEN Mars Orbiter mission. The post Mars MAVEN Mission May Be Lost in Space... Read more »

The Bassac River surrounds Cù Lao Dung, a river islet district in southern Vietnam, before emptying into the South China Sea.... Read more »

A new theory proposes that the universe’s fundamental forces and particle properties may arise from the geometry of hidden extra dimensions. These... Read more »

Hot Jupiters were once cosmic oddities, but unraveling how they moved so close to their stars has remained a stubborn mystery. Scientists... Read more »

Astronomers tracked a decade of dramatic changes in P13, a neutron star undergoing supercritical accretion. Its X-ray luminosity rose and fell by... Read more »

Webb’s latest observations reveal a hellish world cloaked in an unexpected atmosphere: TOI-561 b, an ultra-hot rocky planet racing around its star... Read more »

Big Jupiter now rises in the east-southeast less than an hour after dark. It's high in sharp telescopic viewing by about 10... Read more »

Big Jupiter now rises in the east-southeast less than an hour after dark. It's high in sharp telescopic viewing by about 10... Read more »

Big Jupiter now rises in the east-southeast less than an hour after dark. It's high in sharp telescopic viewing by about 10... Read more »

Big Jupiter now rises in the east-southeast less than an hour after dark. It's high in sharp telescopic viewing by about 10... Read more »

The Calabash Nebula, pictured here — which has the technical name OH 231.8+04.2 — is a spectacular example of the death of... Read more »

Great news! We'll have dark skies for the year's richest meteor shower. The post Geminid Meteor Shower Peaks December 13-14 appeared first... Read more »

Great news! We'll have dark skies for the year's richest meteor shower. The post Geminid Meteor Shower Peaks December 13-14 appeared first... Read more »

Great news! We'll have dark skies for the year's richest meteor shower. The post Geminid Meteor Shower Peaks December 13-14 appeared first... Read more »

Great news! We'll have dark skies for the year's richest meteor shower. The post Geminid Meteor Shower Peaks December 13-14 appeared first... Read more »

Scientists have managed to observe solar neutrinos carrying out a rare atomic transformation deep underground, converting carbon-13 into nitrogen-13 inside the SNO+... Read more »

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for signs of an atmosphere—and potentially... Read more »

Observations from the James Webb Space Telescope suggest the planet might have a nitrogen-and-methane atmosphere — but more data are needed to... Read more »

Webb’s image of the enormous stellar jet in Sh2-284 provides evidence that protostellar jets scale with the mass of their parent stars—the... Read more »

The Soyuz MS-27 spacecraft is seen as it lands in a remote area near the town of Zhezkazgan, Kazakhstan with Expedition 73... Read more »

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to reveal... Read more »

New research reveals that Earth’s solid inner core is actually in a superionic state, where carbon atoms flow freely through a solid... Read more »

Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet WASP-107b, revealing a world with... Read more »

A flash of lightning, and then—something else. High above a storm, a crimson figure blinks in and out of existence. If you... Read more »

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their results match “local” measurements... Read more »

A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 triggered ultra-fast winds racing outward at a fifth the... Read more »

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may arise from several... Read more »

This composite image of the Cassiopeia A (or Cas A) supernova remnant, released Jan. 8, 2024, contains X-rays from Chandra (blue), infrared... Read more »

A remarkably clean gravitational-wave detection has confirmed long-standing predictions about black holes, including Hawking’s area theorem and Einstein’s ringdown behavior. The findings... Read more »

XRISM’s high-precision X-ray data revealed unusually strong signatures of chlorine and potassium inside the Cassiopeia A supernova remnant. These levels are far... Read more »

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new research showing how two... Read more »

Scientists have discovered that moonquakes, not meteoroids, are responsible for shifting terrain near the Apollo 17 landing site. Their analysis points to... Read more »

SQUIRE aims to detect exotic spin-dependent interactions using quantum sensors deployed in space, where speed and environmental conditions vastly improve sensitivity. Orbiting... Read more »

SPHERE’s detailed images of dusty rings around young stars offer a rare glimpse into the hidden machinery of planet formation. These bright... Read more »

Researchers from NASA's Jet Propulsion Laboratory in Southern California monitor a research drone in the Dumont Dunes area of the Mojave Desert... Read more »

The Moon, waning away from full, groups up with Jupiter, Castor and Pollux on two nights. Later in the week the Geminid... Read more »

The Moon, waning away from full, groups up with Jupiter, Castor and Pollux on two nights. Later in the week the Geminid... Read more »

The Moon, waning away from full, groups up with Jupiter, Castor and Pollux on two nights. Later in the week the Geminid... Read more »

Over the course of several hours, technicians meticulously connected the inner and outer segments of NASA’s Nancy Grace Roman Space Telescope.... Read more »

A network of powerful ground-based telescopes captured rare starspot-crossing events on TOI-3884b, revealing cooler patches on the star’s surface and rapid changes... Read more »

FROSTI is a new adaptive optics system that precisely corrects distortions in LIGO’s mirrors caused by extreme laser power. By using custom... Read more »

The NASA Science Activation project Eclipse Soundscapes (ES), led by ARISA Lab in Medford, Massachusetts, helps learners of all ages explore NASA... Read more »

This NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 4535.... Read more »

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier than astronomers believed... Read more »

For thirty years, SOHO has watched the Sun from a stable perch in space, revealing the inner workings of our star and... Read more »

Earth’s orbit is getting crowded with broken satellites and leftover rocket parts. Researchers say the solution is to build spacecraft that can... Read more »

This article shows educators how comets help us learn about the Sun and Space Weather. Connected to educational resources that help K-12+... Read more »

The waxing gibbous Moon rises above Earth’s blue atmosphere in this photograph taken from the International Space Station as it orbited 263... Read more »

Some white dwarfs in rapid binary orbits are far hotter and larger than theory predicts. Researchers found that powerful tidal forces between... Read more »

A UC Irvine team uncovered a never-before-seen quantum phase formed when electrons and holes pair up and spin in unison, creating a... Read more »

This article is for students grades 5-8. What is AI? Artificial intelligence, or AI, is a type of technology that helps machines... Read more »

NASA's James Webb Space Telescope took a look at the Sagittarius B2 molecular cloud, the most massive, and active star-forming region in... Read more »

Enjoy 24 festive astronomical images this month... Read more »

During December you can watch for some impressive shooting stars and spend some time with the “Demon Star,” which can’t decide how... Read more »

During December you can watch for some impressive shooting stars and spend some time with the “Demon Star,” which can’t decide how... Read more »

The discovery of strange, ultra-red objects—especially the extreme case known as The Cliff—has pushed astronomers to propose an entirely new type of... Read more »

Nearly a century after astronomers first proposed dark matter to explain the strange motions of galaxies, scientists may finally be catching a... Read more »

NASA's Cassini spacecraft captured dramatic plumes, both large and small, spray water ice out from many locations along the famed 'tiger stripes'... Read more »

Saturn remains super-thin-ringed high after dark. The interstellar comet, 11th magnitude, is now nice and high in the dark before dawn. Don't... Read more »

Saturn remains super-thin-ringed high after dark. The interstellar comet, 11th magnitude, is now nice and high in the dark before dawn. Don't... Read more »

Saturn remains super-thin-ringed high after dark. The interstellar comet, 11th magnitude, is now nice and high in the dark before dawn. Don't... Read more »

The NASA Science Activation program’s PLANETS (Planetary Learning that Advances the Nexus of Engineering, Technology, and Science) project, led by Northern Arizona... Read more »

NASA’s Artemis II Orion spacecraft with its launch abort system is stacked atop the agency’s SLS (Space Launch System) rocket in High... Read more »

Observers can't resist the challenge of seeking faint objects with curious names. We go deep and visit two — Andromeda's Parachute and... Read more »

Observers can't resist the challenge of seeking faint objects with curious names. We go deep and visit two — Andromeda's Parachute and... Read more »

Michigan State University astrophysicists are closing in on one of space science’s biggest mysteries: where the galaxy’s most energetic particles come from.... Read more »

Mars’s Coloe Fossae reveals a landscape shaped by ancient ice ages, with deep valleys, cratered terrain, and frozen debris flows preserved from... Read more »

A group of elementary-aged students gather outside of Oldham County Public Library in La Grange, Kentucky, United States to look at clouds... Read more »

Using its Near-InfraRed Camera (NIRCam), NASA's James Webb Space Telescope has revealed never-before-seen details in the picturesque Red Spider Nebula with a... Read more »

Moss spores survived an extended stay on the outside of the ISS and remained capable of germinating once back on Earth. Their... Read more »

The atmospheric glow blankets southern Europe and the northwestern Mediterranean coast, outlined by city lights. At left, the Po Valley urban corridor... Read more »

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth,... Read more »

Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These measurements reveal details about the... Read more »

Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away. Sophisticated instruments detected the... Read more »

A massive solar storm in May 2024 gave scientists an unprecedented look at how Earth’s protective plasma layer collapses under intense space... Read more »

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted... Read more »

Uranus is its closest to Earth all year on the night of November 21st, and you can find it easily in the... Read more »

This NASA/ESA Hubble Space Telescope image features a galaxy, NGC 2775, that’s hard to categorize.... Read more »

Saturn's rings are now the closest to edge on that they'll get. The famous interstellar comet has become higher and easier for... Read more »

Saturn's rings are now the closest to edge on that they'll get. The famous interstellar comet has become higher and easier for... Read more »

Saturn's rings are now the closest to edge on that they'll get. The famous interstellar comet has become higher and easier for... Read more »

New observations show that asteroid 1998 KY26 is a mere 11 meters across and spinning twice as fast as previously thought. The... Read more »

NASA’s X-59 quiet supersonic research aircraft lifts off for its first flight Tuesday, Oct. 28, 2025, from U.S. Air Force Plant 42... Read more »

Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside Earth—hidden formations that... Read more »

NGC 1068, a relatively nearby spiral galaxy, appears in this image released on July 23, 2025.... Read more »

Watch an Oort Cloud comet disintegrate before your eyes. Meanwhile, interstellar intruder 3I/ATLAS is brighter than expected. The post Comet K1/ATLAS Crumbles,... Read more »

Watch an Oort Cloud comet disintegrate before your eyes. Meanwhile, interstellar intruder 3I/ATLAS is brighter than expected. The post Comet K1/ATLAS Crumbles,... Read more »

Cutting-edge simulations show that Enceladus’ plumes are losing 20–40% less mass than earlier estimates suggested. The new models provide sharper insights into... Read more »

Ministerial Council 2025... Read more »

Scientists built a tiny clock from single-electron jumps to probe the true energy cost of quantum timekeeping. They discovered that reading the... Read more »

NASA ER-2 pilot Kirt Stallings waits inside the transport vehicle at Edwards, California, on Thursday, Aug. 21, 2025, moments before boarding NASA’s... Read more »

Astronomers have, for the first time, recorded the moment a star’s explosion broke through its surface. The nearby supernova, SN 2024ggi, revealed... Read more »

The “Seven Sisters” have far more relatives than anyone imagined. Using NASA and ESA space telescopes, astronomers found thousands of hidden stars... Read more »

Researchers combined deep learning with high-resolution physics to create the first Milky Way model that tracks over 100 billion stars individually. Their... Read more »

LHAASO has uncovered that micro-quasars, black holes feeding on companion stars, are powerful PeV particle accelerators. Their jets produce ultra-high-energy gamma rays... Read more »

Researchers at KRISS observed water’s rapid freeze–melt cycles under ultrahigh pressure and discovered Ice XXI, the first new ice phase found in... Read more »

Dark matter may be invisible, but scientists are getting closer to understanding whether it follows the same rules as everything we can... Read more »

This image shows two massive galaxy clusters. The vast number of galaxies and foreground stars in the image were captured by NASA’s... Read more »

A massive, well-preserved impact crater has been uncovered in Guangdong, revealing the signature of a powerful meteorite strike during the Holocene. Measuring... Read more »

Scientists have finally confirmed a powerful coronal mass ejection from another star, using LOFAR radio data paired with XMM-Newton’s X-ray insights. The... Read more »

Saturn's rings are turning as edge-on as we will see them for another 15 years. The planet awaits your scope high in... Read more »

Saturn's rings are turning as edge-on as we will see them for another 15 years. The planet awaits your scope high in... Read more »

There are many meteor showers throughout the year. Here are the most prominent.... Read more »

Everything you need to know to get started with observing meteors.... Read more »

The 57.7-foot-long Canadarm2 robotic arm extends from a data grapple fixture on the International Space Station’s Harmony module in this July 23,... Read more »