Recreating microgravity conditions on Earth isn't easy, but it can be done if you fly an aircraft in a particular way ...

Perhaps the most bizarre side effect of living in near-weightless conditions involves human feet, or the soles. Astronauts shed the calluses normally associated with walking on terra firma.

Russian cosmonaut Alexey Ovchinin has taken command of the International Space Station from NASA astronaut Sunita Williams, ...

Astronauts Butch Wilmore and Sunita Williams extended their space mission from 10 days to 9 months due to technical failures.

NASA's four-member crew is expected to head to the International Space Station on Wednesday. Can we see it in New Jersey?

Suni Williams and Butch Wilmore — who have been aboard the International Space Station since last June — are due to undock ...

Two NASA officials have weighed in on the public dispute over when and how to bring home Butch Wilmore and Suni Williams, who ...

Sunita Williams got emotional as she transferred the ISS command to Alexey Ovchinin ahead of her return to Earth. The SpaceX ...

An eight-day trip into space turned into more than eight months for Suni Williams and Butch Wilmore.

Indian-origin NASA astronaut Sunita Williams (Suni), who has been dubbed as the "stranded astronaut" over his stay in space ...

Donald Trump stated that the two stranded astronauts may fall in love despite both of them being married to other people.

With the astronauts who crewed the Boeing Starliner due home in the days ahead, here's a recap of their time at the ...