Spending time aboard the International Space Station (ISS) induced aging-like changes in a group of cells key for the health ...

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

From causing muscle loss to raising the risk of blood clots, long-haul space missions can have a profound impact on the human ...

Space changes you. It strengthens some muscles, weakens others, shifts fluids within your body, and realigns your sense of ...

Blast off and spend 24 hours in space with the astronauts who completed NASA's first ever all-female spacewalk! Christina ...

“You know how astronauts have the right stuff? The stuff you have is wrong,” astronaut Michael Massimino says to hapless engineer Howard Wolowitz on an episode of the CBS TV sitcom, The Big Bang ...

An astronaut captured a rare light show from space. Usually, the Northern Lights have a little more of a greenish hue, but one NASA astronaut captured an amazing, crimson-lined aurora orbiting ...