NASA astronaut Sunita Williams, who is aboard the International Space Station (ISS), clicked the “ultimate selfie" last month ...

NASA astronaut Don Pettit has captured another remarkable shot, this one showing the Betsiboka River estuary in Madagascar.

A photographer on Earth has captured an incredible telescope image of NASA astronaut Suni Williams outside of the International Space Station, as it passed by roughly 250 miles overhead.

NASA ‘s Marshall Space Flight Center hosted four astronauts on Jan. 29 at the Marshall Activities Building 4316.

An HTC headset designed to work in space is offsetting the physical and psychological challenges of humans living off-world.