Four new crew members are on their way to the International Space Station after launching into orbit early Friday morning ...

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. An astronaut in need of medical care has departed the International Space Station (ISS) with three crewmates in Nasa’s first-ever ...

The four Crew-12 astronauts brought the International Space Station’s staff back to seven after a month of operating with three people on board.

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.

Following a Friday morning launch, four astronauts aboard a SpaceX Dragon capsule are due to dock with ISS on Saturday afternoon ...

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 ...

The Artemis II mission, which will return US astronauts to lunar space, has run into problems that have critics demanding NASA remove the crew from the flight for safety reasons. The bigger question ...