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

Nasa's Valkyrie robot was built by the Johnson Space Center to compete in a 2013 robotics challenge trial. Weighing 300lb and ...

Try the challenges Tim had to overcome and find out whether you have the right stuff to be an astronaut. Being faced with an emergency 250 miles above Earth would be alarming, but you must stay ...

Every year, the International Space Station produces some of the world's best photography. Astronauts tend to be technically skilled with a camera, yes. Many of them are engineers, after all.

NASA astronauts aboard the International Space Station shared a special Christmas holiday message for everyone back on Earth.

Ms. Williams and Mr. Wilmore, two NASA astronauts, left for the International Space Station on June 5 for what was intended to be an eight-day mission. They have now spent six months and counting ...

Explorers, astronauts and filmmakers described life in space and on Earth in an epic livestream from the Drake Passage.

that kind of stuff.” He also gave a shout-out to fellow NASA astronaut Suni Williams, who he said acted as his spotter by pointing out the launch as Pettit was setting up his camera. For more ...

everybody getting together and preparing stuff, and getting ready for the holiday,” said astronaut Suni Williams. Williams and fellow astronaut Butch Wilmore should have returned to Earth in ...