For the 1st time in the history of the International Space Station, an astronaut experienced a health issue that required NASA to end a mission early.

Spending time in the weightless environment of microgravity can have some dramatic effects on the human body, but scientists have recently discovered a new one that could help explain why some ...

Add Yahoo as a preferred source to see more of our stories on Google. Four astronauts have safely returned to Earth after NASA made the rare decision to end their space station mission early because ...

After being 'stuck' in space for nine months, the Starliner astronauts are coming home. Here's what to know.

The Apollo missions changed how scientists understand the moon. Returning with Artemis could help solve some of the biggest lunar mysteries.

An ailing astronaut returned to Earth with three others on Thursday, ending their space station mission more than a month early in NASA’s first medical evacuation. SpaceX guided the capsule to a ...

SAN FRANCISCO (KRON) – A fast-moving bright light streaking through the California sky after midnight on Thursday had locals wondering what it was they just witnessed. Could it have been a comet? Or ...

A new crew rocketed toward the International Space Station on Friday to replace the astronauts who returned to Earth early in NASA’s first medical evacuation.

A quick trip in June to the International Space Station stretched into an unexpectedly lengthy orbital stay for the two NASA astronauts who crewed the Boeing Starliner for a flight test. For the past ...

CAPE CANAVERAL, Fla. -- An ailing astronaut returned to Earth with three others on Thursday, ending their space station mission more than a month early in NASA's first medical evacuation. SpaceX ...