Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

The first medical evacuation in the history of the International Space Station (ISS) is happening today.

Russia's 'massive' losses in Ukraine have it heading toward a breaking point, NATO's top official says US freezes all visa ...

For over two centuries, we have watched the red giant R Leonis dim and brighten with regularity, but this 'heartbeat' is ...

NASA and Boeing are still contending with the fallout attached to the failed Starliner test flight. The next Starliner ...

It will be a spectacular event, but calculating when it will happen is a tricky business. Every now and then, in recent observations, Betelgeuse has grown dimmer or brightened, prompting speculation ...

Live updates from the return of the NASA SpaceX Crew-11 astronauts. Splashdown occurred at 3:41 a.m. Jan. 15 off the coast of ...

On the other were two more figures in space suits, with the tiniest Stars and Stripes planted in the lunar soil. Cruz ...

The weird and wonderful world of sleeping in space — and what studies of astronauts tell us about the future of sleep ...

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have uncovered direct evidence that the red supergiant ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Entrepreneurs with a fire suppression technology developed by a NASA engineer wants to prevent a repeat of L.A. wildfires by ...