A Russian cosmonaut who holds the world record for the longest time spent in space for one trip revealed why he refused help ...

Launching humans into space is an inherently risky practice. To prepare astronauts for the microgravity environment of space, ...

Williams coordinated with Boston Athletic Association to register as an official participant, making her one of most unique ...

NASA astronauts Sunita Williams and Butch Wilmore returned to Earth on Tuesday, after being stuck for nine months in space ...

The Crew Dragon capsule, with Williams and Butch Willmore aboard, is expected to splash down off Florida’s Gulf Coast late night India time ...

In the weightless environment of space, bones and muscles weaken due to reduced gravity, which can lead to bone density loss ...

What happened to NASA astronaut Scott Kelly after spending a year in space while twin brother Mark, also an astronaut, ...

A biochemist breaks down challenges that astronauts Suni Williams and Butch Wilmore will face after their long duration in ...

Stranded NASA astronauts Sunita Williams and Butch Wilmore finally arrived home yesterday after more than nine months in ...

NASA astronaut Sunita Williams’ return to earth at the conclusion of the scientific mission to the space station was more ...