"If they were purely made up of stars, they would be the densest galaxies in the universe."

"Our study provides a new direction to understand the whole evolutionary history of massive stars toward the formation of black hole binaries."

"It's hopeful about the future, and we need that optimistic enthusiasm right now."

A SpaceX Falcon 9 carrying 29 Starlink satellites launched from the Cape Canaveral Space Force Station in Florida on Wednesday, Jan. 14, 2026.

"We're seeing what could be described as an energetic tug-of-war inside the black hole's accretion flow."

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.

Some newly found stars in a small galaxy called Sextans A are forming without some of the usual "ingredients," raising questions about how the early universe evolved.

NASA is returning four astronauts to Earth early from the International Space Station due to a medical concern with one of the Crew-11 astronauts. Here's the latest news.

Greenland's mountains greatly affect local climate patterns.

There may not be as nearly as many small galaxies in the early universe as astronomers predict there should be, which has big implications for the story of how our universe grew up.

SpaceX's Crew-11 astronauts will leave the International Space Station today (Jan. 14) in the first-ever medical evacuation from the orbiting lab, and you can watch it live.

NASA and the U.S. Department of Energy have firmed up their commitment to develop a nuclear reactor for use on the surface of the moon by 2030.

The four astronauts of SpaceX's Crew-11 mission will leave the International Space Station on Jan. 14, in the first-ever medical evacuation from the orbital lab. Here are the details.

'It felt really warm and welcoming. It was a lovely atmosphere the whole time.'

"It points to a slow starvation rather than a single dramatic death blow."

"Microgravity pushed evolution into corners of the phage we still don't fully understand"

"This result shows that the Event Horizon Telescope is not only useful for producing spectacular images, but can also be used to understand the physics that govern black hole jets."

The Orion Nebula is the closest large star-forming region, located within the Milky Way just 1,500 light-years from Earth.

Space apparently changes your frame of mind in more ways than one.

Test how well you know the breakthroughs, pioneers, and turning points that shaped modern rocketry.

Think you know America's newest military branch? Take our quiz and prove you're Space Force‑savvy.

Astronauts on the International Space Station were not only treated to a sight from Earth's atmosphere recently but also caught a glimpse of one of the Milky Way's nearest galactic neighbors.

For over two centuries, we have watched the red giant R Leonis dim and brighten with regularity, but this 'heartbeat' is beginning to speed up near the end of the star's life.

A California-based start-up wants to open a hotel on the moon by 2032 and is now accepting bookings for the out-of-this world travel experience.

The Canon 12x36 IS III binoculars are a great pair of image-stabilized optics that allow for shake-free observation of stars, nebulas and star clusters. They are now only $656 from Amazon.

A SpaceX Falcon 9 rocket carrying 29 Starlink satellites launched from Cape Canaveral Space Force Station in Florida on Monday, Jan. 12, 2026.

Former NASA astronaut and current U.S. Senator Mark Kelly is fighting back, suing the Pentagon for its plan to censure him over comments he made in a video late last year.

Exploration advocates are pushing back against the planned cancellation of NASA's Mars sample return project, saying it could potentially find evidence of Red Planet life.

The astronauts are scheduled to leave in a matter of days.

"We are in constant contact with NASA."

Scientists studying Jurassic rocks in China found that cyclical changes in Earth's orbit affected not only the climate, but also the development of shale oil reserves.

From the Upside Down through the Devil's Anus and beyond. Here are 6 times these theoretical wormholes turned up in sci-fi shows and movies.

"The surprise that a supposedly quiet, discless system could drive such a spectacular nebula was one of those rare 'wow' moments."

The observatory will combine tech from NASA's most powerful space telescopes.

Astronomy needs space.

Iceberg A23-A has been around since the Chernobyl explosion and Space Shuttle Challenger accident...but perhaps not for much longer.

"This is a structure we've never seen before, so it could be a new class of dark object."

"The combination of extreme disk size, strong asymmetries, winds, and potential planet formation makes it the perfect laboratory for understanding how giant planets can form."

Located south of Bend’s outdoor playland, I visited this Pacific Northwest gem for an enchanted winter evening of astronomical wonders

Such experiments have previously only been conducted aboard the International Space Station.

'Luckily it does have a future, so I can confirm that 'Black Mirror' will return, just in time for reality to catch up with it.'

India's PSLV rocket apparently failed Sunday night (Jan. 11) while trying to launch 16 payloads to space. It was the PSLV's first liftoff since a May 2025 failure.

SpaceX launched NASA's Pandora exoplanet mission and about three dozen other payloads early Sunday morning (Jan. 11) on a rideshare flight called "Twilight."

On Episode 192 of This Week In Space, Rod Pyle and Tariq Malik looks forward to 2026, which promises to be the most exciting year in the new space age yet!

Test your space smarts with our weekly crossword challenge, crafted from Space.com's biggest headlines.

The Washington Monument lit up on New Year's Eve in celebration of the Artemis 2 moon mission as well as the 250th anniversary year of the Declaration of Independence.

Kimiya Yui released the timelapse footage to celebrate his 300th cumulative day spent orbiting Earth.

SpaceX launched 29 Starlink broadband satellites to orbit from Florida's Space Coast on Friday (Jan. 9), acing its third mission of 2026.

The first medical evacuation in the history of the International Space Station will take place on Jan. 14, when the four astronauts of SpaceX's Crew-11 mission head home.