After spending more than eight months aboard the International Space Station (ISS), veteran astronaut Sunita Williams is ...

Elon Musk has made unfounded claims that two NASA astronauts were left on the space station for "political reasons" after ...

The former Commander of the International Space Station shared the unsatisfactory way of sleeping that might make any normal ...

Application error: a client-side exception has occurred (see the browser console for more information).

Starliner astronauts Sunita Williams and Barry Wilmore, who have been stranded on the International Space Station since June, ...

Here is the reason why NASA astronaut Heidemarie Stefanyshyn-Piper fainted when returning to Earth after a mission onboard STS-115 in 2006.

The human body was not built for spaceflight, with its microgravity conditions, exposure to high-energy radiation and other ...

(NASA via AP, File) CAPE CANAVERAL, Fla. (AP) — NASA’s two stuck astronauts may end up back on Earth a little sooner than ...

"Cartilage damage is a really major issue that space agencies need to address despite how very poorly understood it is." ...

NASA astronaut Suni Williams was undertaking a repair on the ISS when she was photographed from Earth by an amateur ...

However, the capsule encountered several issues, forcing the astronauts to remain at the space station longer than planned. In the end, NASA opted to bring the Starliner back to Earth in September ...