Space News & Blog Articles

"It's about the themes of love and sacrifice and family. And maybe asking ourselves, 'What am I going to do that adds quality to this world?'"

A Dual Engine Centaur upper stage for Atlas V nears completion at the factory in Decatur, Alabama. The RL10 engine marked 60 years of flight on Nov. 27, 2023. Image: United Launch Alliance

On Monday, L3Harris Technologies, announced the intended sale of a majority stake in its Space Propulsion and Power Systems business to AE Industrial Partners, shifting control over one of its marquee engines: the RL10.

NASA will return 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.

New models suggest that Europa has very little tectonic activity at its seafloor, which is potentially catastrophic news for the hopes of finding alien life within its ocean.

The medical evacuation of SpaceX's Crew-11 astronauts from the International Space Station shouldn't interfere with Artemis 2's launch to the moon, NASA Administrator Jared Isaacman says.

A magical encounter in northern Finland blends ancient folklore, swirling auroras and an unexpectedly curious fox.

Week in images: 05-09 January 2026

Jupiter reaches opposition overnight on Jan. 10, when it appears its brightest in 2026 opposite the sun in Earth's sky.

Planets, stars, and star clusters, oh my!

"WIMPs are still the leading candidate for dark matter, but billions of dollars of experiments have been done, only getting stronger and stronger upper limits, so alternative scenarios have to be considered."

These moonless evening offer the winter Milky Way arching high over the world. And, when will Betelgeuse stand straight over Sirius for you?

Crew 11 during training before launch last August (left to right): Cosmonaut Oleg Platonov, NASA astronaut Mike Fincke, Crew 11 commander Zena Cardman and Japanese astronaut Kimiya Yui. Image: NASA

Four space station fliers have been told to cut their mission short and return to Earth ahead of schedule because of an apparently serious medical issue affecting an unidentified crew member, NASA announced Thursday.

NASA has decided to bring the four astronauts of SpaceX's Crew-11 mission home from the International Space Station early due to a medical issue experienced by a crewmember in orbit.

"Nothing in my professional training as an X-ray astronomer had prepared me for something like this."

Your guide to February's full Snow Moon, from peak times to skywatching highlights.

NASA just postponed a spacewalk because of a medical concern with an astronaut. Here's how the agency has handled such issues in the past.

Astronomers discovered a cloud of hydrogen gas that’s devoid of stars. Held together by an invisible halo of dark matter, the starless cloud may elucidate its nature.

The Vera Rubin Observatory has found 19 new "superfast rotator" asteroids, including the fastest-spinning big space rock ever found.