Jumping may protect astronauts’ knee cartilage from microgravity damage. Studies on mice show it increases bone density.

Using an amateur radio setup, 10 children chatted with astronaut Donald Pettit about life on the International Space Station.

Boeing's Starliner astronauts are in the final stretch of their unexpectedly long stint in Earth orbit — and they're setting ...

Astronaut Sunita Williams is preparing for a tough transition back to Earth's gravity, after her long mission on the ...

Indian-origin NASA astronaut Sunita Williams and her colleague Butch Willmore will return from ISS to Earth in mid-March, ...

Williams and Wilmore will board SpaceX’s Dragon spacecraft and undock for their journey back to Earth on March 19 ...

Butch Wilmore, a fellow astronaut, stuck in space with Williams revealed how gravity will be the biggest challenge when the two astronauts return home.

NASA announces Sunita Williams and Butch Wilmore's March return from ISS, using a SpaceX capsule.

Astronauts Sunita Williams and Butch Wilmore are set to return to Earth around March after an extended stay on the ISS since ...

This even distribution of hydrogen is thought to be key to developing scalable radiation shields for both spacecraft and the ...

Sen aims to use the story-telling power of video to inspire, empowering everyone to witness planetary change and humanity's exploration of space.

Butch Wilmore and Suni Williams are hoping to set the record straight again after an extended trip to the space station ...