Humans are returning to the moon—this time, to stay. Because our presence will be more permanent, NASA has selected a ...

Pictures from the International Space Station do not disappoint, from comets and northern lights to giant hurricanes and ...

Most of us would panic if we were stranded in space without a firm return date. But Sunita Williams and Butch Wilmore aren’t ...

Suni Williams and Butch Wilmore, the two astronauts stranded in space since June, are preparing to spend Christmas in space, ...

Chinsese astronauts are conducting experiments with fruit flies and more aboard the Tiangong space station. Credit: China ...

Stranded NASA astronaut Sunita "Suni" Williams has followers scratching their heads over a festive new photo that shows the ...

The astronauts on the I.S.S. — including two who were scheduled to return months ago — held a zero-gravity cookie-decorating ...

When the astronauts stranded at the International Space Station were pictured wearing Santa hats next to a tiny Christmas ...

When astronauts are orbiting earth, it's often not chocolate they crave but a fresh, crunchy salad. Now a team of scientists is working to re-design plants to enable that to happen.

Space station crews spend the holidays away from family and friends, but that doesn’t stop them from celebrating in space.

Nasa’s holiday video from the ISS, featuring astronauts in Santa hats and a Christmas tree floating in zero gravity, has ...