While privately funded programs to develop space vehicles and execute extraterrestrial missions have been in play for years, ...

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

Astronauts Butch Wilmore and Don Pettit share their experience ringing in the new year aboard the International Space Station ...

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

The astronauts aboard the International Space Station will celebrate New Year’s a total of 16 times as the vessel hurdles ...

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

The space station sees 16 sunrises and 16 sunsets every 24 hours. So how will the crew there know when it's 2025?

From uncrewed lunar missions to the launch of the first private space station, here's a sneak peak at the space missions that ...

Astronauts aboard the International Space Station celebrate New Year at a very unique time due to their position in orbit of ...

The International Space Station continues to act as humanity’s outpost in low-Earth orbit, a role that began at the turn of ...