NASA spaceman Don Pettit demonstrated the tricky task of sipping from a special mug in microgravity on the International ...

NASA Spokeswoman emphasized the Space X rescue mission of stranded astronauts would not have been a success without President ...

NASA astronauts Butch Wilmore and Suni Williams are finally back home after a mission into space stretched nine months beyond ...

Astronauts also have to adjust to the sensations of water and weight in their limbs, which can limit mobility right after ...

What happens to the astronauts in space? In a candid interview, the NASA astronaut revealed the dangers of spending too much ...

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

Two space missions reached their conclusion: one with a splashdown, the other with a quiet lunar death. And thrilling new ...

A four-member crew, including NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore, left the ISS early Tuesday on ...

The astronauts remained stranded at the International Space Station — until Tuesday when they parachuted down to Earth off ...

A corner of the internet appears to believe that Suni Williams returned to Earth with dark hair despite it being gray while in orbit.

Astronauts Barry "Butch" Wilmore, and Sunita Williams are currently struggling with the effects of long-term weightlessness ...