A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...

A graph I saw in high school appeared to show the Earth breathing. It was a graph that plotted carbon dioxide in the ...

The US astronauts stranded on the International Space Station are home at last — more than nine months after their days-long ...

The NASA astronauts splashed down on Tuesday in a SpaceX capsule after problems with a Boeing vehicle set in motion a ...

One of the best things about earth tones—and perhaps another aspect of their popularity—is that they're incredibly easy to ...

Butch Wilmore and Suni Williams returned to Earth in a SpaceX capsule after technical problems left them extending their stay ...

Astronauts Suni Williams and Butch Wilmore touched down on Earth March 18 after a nine-month stay in space, but they didn’t ...

Ukraine holds deposits of 22 out of 34 minerals the EU classifies as critical. Many are in parts controlled by Russia.

NASA will wait at least another two days to launch its next space station crew, delaying the return of Starliner astronauts ...

While Sunita Williams and Butch Wilmore eagerly await their return to Earth, they are likely to face physical complications ...

The pair waved and smiled as they emerged from the SpaceX Dragon, which splashed down off the coast of Florida.

NASA’s Butch Wilmore and Suni Williams, whose weeklong Boeing Starliner mission turned into an extended stay in space, have ...