Students had questions. The answers came from an astronaut in the International Space Station in an out of this world school ...

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

NASA's two stuck astronauts may end up back on Earth a little sooner than planned. The space agency said Tuesday that SpaceX ...

Jumping may protect astronauts’ knee cartilage from microgravity damage. Studies on mice show it increases bone density.

Boeing's Starliner astronauts are in the final stretch of their unexpectedly long stint in Earth orbit — and they're setting ...

The two astronauts who piloted the Boeing Starliner’s first crewed test flight responded to a claim from President Donald ...

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

Nicole Stott is the latest astronaut to lend her autograph to the Space Hipsters Signature Edition series of "signed" patches ...

You'll be able to talk to two astronauts -- one in space, one on Earth -- and discuss daily life on the International Space ...

NASA announces Sunita Williams and Butch Wilmore's March return from ISS, using a SpaceX capsule.

The NASA astronauts have been in space for eight months so far, but their SpaceX capsule could launch in March to take them home.

NASA astronaut Suni Williams can be seen in this telescope image of the International Space Station — if you know where to look. | Credit: Charline Giroud An amateur photographer on Earth has ...