Sunita "Suni" Williams had an unexpectedly long stay at the International Space Station after her capsule malfunctioned.

In his final days aboard the space station in a mission that’s lasted six months, American astronaut Don Pettit has shared ...

Previous studies have also demonstrated potential links between space travel and an increase in oxidative stress, which experts have suggested contributes to aging and, in turn, graying hair. However, ...

After splashing down off the coast of Florida, the latest crew to return from the International Space Station arrived by jet ...