Space News

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station....

New results relying on five decades of satellite observations show extensive changes to glaciers at the Earth's north and south poles.

If you're feeling all tied up with obligations this holiday season, perhaps a newly studied galaxy feels the same way.

A U.S. astronaut set a record Saturday for the longest single spaceflight by a woman, breaking the old mark of 288 days with about two months left in her mission.

The Mars 2020 rover, which sets off for the Red Planet next year, will not only search for traces of ancient life, but pave the way for future human missions, NASA scientists said Friday as they unveiled the vehicle.

#16 in our top science stories of 2019.

Harvard-Smithsonian Center for Astrophysics:

One of the night sky's brightest stars is now the faintest it's been in a century. Astronomers aren't sure what it means.