Just 12 people — all American men — have walked on the moon. Can you name all of them in six minutes?

On space missions, astronauts often have to make independent decisions quickly. The wrong move at the wrong moment could have ...

The astronauts aboard the space station showed off their out-of-this-world Thanksgiving feast, but they also had a very ...

Stranded NASA Astronaut Sunita "Suni" Williams revealed how she and Barry "Butch" Willmore are spending Thanksgiving in space ...

The crew showed a container of food which they said had smoked turkey, Brussels sprouts, and butternut squash.

Russian cosmonauts aboard the ISS were forced to seal a hatch and don protective equipment after the arrival of a cargo ...

The four NASA astronauts currently living on the International Space Station wished us all a happy Thanksgiving — and ...

Astronauts Suni Williams and Butch Wilmore are making the most of their time aboard the International Space Station ahead of ...

"Living and working in space was not associated with widespread cognitive impairment that would be suggestive of significant ...

The promotional video shows animations of planned activities and tests on the hardware that will make them possible.

Frank Rubio’s experience – leave Earth in one vehicle, return much later in another – gives him an intimate understanding of ...

A Russian segment of the International Space Station was locked down this weekend after cosmonauts found an “unusual odor” ...