Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his ...

NASA astronaut Don Pettit and two cosmonaut colleagues will return to Earth this evening (April 19), and you can watch their homecoming live.

A new commander has taken charge aboard the ISS as three crew members prepare for their return to Earth—just in time for one ...

A camera affixed to the International Space Station recently spotted some curious symbols amid a barren desert landscape.

Astronaut Don Pettit, who has been at the International Space Station since September, is set to land Saturday in Kazakhstan ...

As NASA prepares to return to the moon, studying astronaut health and safety is a top priority. Scientists monitor and ...

NASA astronaut Don Pettit -- NASA’s oldest active astronaut at 69 -- arrived at the station last week on his fourth trip to ...

Life on the International Space Station isn't always easy. There's not a lot of room, no showers, and no laundry. Photos show ...

A striking time-lapse video features the ISS flying above cities at night before passing over a stunning aurora.

NASA astronaut Don Pettit celebrates his 70th birthday with a spectacular return from the International Space Station after 220 days in orbit.

NASA astronaut Don Pettit celebrated his 70th birthday returning from a 220-day mission on the International Space Station.

NASA astronaut Don Pettit and two cosmonaut colleagues will return to Earth from the International Space Station (ISS) on ...