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.

An 18-karat gold version of the first watch worn on the moon has set a record for the most paid for an astronaut's timepiece.

“Going to a theater, with that large of a screen, really makes you feel like you’re part of it, and I think that’s what was ...