Chris Hadfield, author of the new memoir “An Astronaut’s Guide to Life on Earth” (Little, Brown), “My number one concern . . . is to avoid floating off into space.” Next on that list ...

NASA posted a video this week of three astronauts playing with a floating, softball-sized water bubble aboard the International Space Station. That’s been done before, but the trio added a new ...

NASA astronaut Barry "Butch" Wilmore took a selfie over the weekend as he took part in the first of three spacewalks outside the International Space Station. The walk, which Wilmore completed ...

An astronaut working onboard the International ... bear with penguin art floats as Fram2 zero-g indicator in polar orbit Floating blue-eyed robot keeps watch on the ISS: Space photo of the day ...

A pair of astronauts conducting a space walk outside ... if you own a pair of binoculars and know where to look. The bag is floating roughly two to four minutes ahead of the ISS, which you can ...