SpaceX has signed a deal to fly two more private astronaut missions to the International Space Station (ISS) using its Falcon ...

Peer into the fascinating work astronauts carried out on the International Space Station as it zips across the sky.

The space agency is looking to maintain human presence in the microgravity environment as it transitions to commercial ...

Expedition 72 crewmates Alexey Ovchinin and Ivan Vagner completed the last planned spacewalk of 2024 today (Dec. 19).

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have reached their six-month milestone of being stranded on ...

The crew launched to the ISS in June for a week-long mission but will end up spending an unplanned nine months in space.

The International Space Station "continues to orbit the Earth as planned, and the crew aboard is safe," NASA said.

Microgravity is known to alter the muscles, bones, the immune system and cognition, but little is known about its specific ...

Two Boeing Starliner astronauts, stranded at the International Space Station in June after what was supposed to be a weeklong ...

Russian cosmonauts Alexey Ovchinin and Ivan Vagner will perform a six-and-a-half-hour spacewalk on Dec. 19 to install new ...

NASA astronaut Don Pettit created his own device to help him take photos of the stars while on the International Space ...