On Tuesday, two NASA astronauts who had been in orbit since June, Suni Williams and Butch Wilmore, splashed down in calm, ...

NASA astronaut Butch Wilmore (L), Russian cosmonaut Aleksandr Gorbunov, and NASA astronauts Nick Hague, and Suni Williams ...

NASA astronauts, including Sunita Williams, have undocked from the ISS and are expected to splash off the Florida coast at ...

NASA astronauts Butch Wilmore and Suni Williams, who were stuck in space for more than nine months, are finally on their way ...

Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...

NASA astronauts Sunita Williams and Butch Wilmore are set to return to Earth after an extended nine-month mission aboard the ...

Wilmore and Williams were joined on SpaceX’s capsule by two other astronauts: Nick Hague and Roscosmos cosmonaut Aleksandr ...

NASA astronauts Suni Williams, left, and Butch Wilmore stand together for a photo enroute to the launch pad at Space Launch ...

Butch Wilmore and Suni Williams, together with Nick Hague and Aleksandr Gorbunov, departed the International Space Station at ...

On Kalpana Chawla's birth anniversary, let us look at the love story of the astronaut with her husband, Jean Pierre Harrison.

A SpaceX capsule has arrived at the International Space Station, delivering the replacements for NASA's two stuck astronauts.