NASA astronauts Suni Williams and Butch Wilmore are approaching six months in space after technical issues with the Boeing ...

The astronauts arrived at the Tiangong space station on Oct. 29, beginning their six-month-long stay in orbit. They have ...

Stranded NASA Astronaut Sunita "Suni" Williams revealed how she and Barry "Butch" Willmore are spending Thanksgiving in space ...

Williams and Wilmore were only slated to be on the ISS for eight days. But when their Boeing Starliner experienced technical ...

A Russian segment of the International Space Station was locked down this weekend after cosmonauts found an “unusual odor” ...

Stranded NASA Astronaut Sunita "Suni" Williams revealed how she and Barry "Butch" Willmore are spending Thanksgiving in space ...

On space missions, astronauts often have to make independent decisions quickly. The wrong move at the wrong moment could have ...

Frank Rubio’s experience – leave Earth in one vehicle, return much later in another – gives him an intimate understanding of ...

The hatch between a Russian cargo ship and the International Space Station (ISS) is finally open after a foul stench ...

Russian cosmonauts aboard the ISS were forced to seal a hatch and don protective equipment after the arrival of a cargo ...

Engaging articles, breathtaking images and expert knowledge Issues delivered straight to your door ...

Just 12 people — all American men — have walked on the moon. Can you name all of them in six minutes?