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

China's Shenzhou 19 astronauts have some winged companions to oversee aboard the country's Tiangong space station — fruit ...

The action Pettit captured shows Dextre working with the materials exposure payload, or MISSE. The MISSE series of ...

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

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 ...

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 ...

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

The Shenzhou-15 crew keeps fit with a "space bike," a "resistance device" and a "space treadmill" aboard the Tiangong space ...

NASA astronaut Suni Williams spoke with NBC News from the International Space Station about Thanksgiving, her health and ...

A stay in space exerts extreme pressures on the human body. Astronauts' bodies and brains are impacted by radiation, altered ...