The first spacewalk was conducted in 1965, by Russian cosmonaut Alexey Leonov. Nearly 20 years later, cosmonaut Svetlana ...

NASA's oldest full-time astronaut is back home and doing well a week after wrapping up a seven-month space mission.

Don Pettit arrived in Space City on Sunday (April 20), which happened to be his 70th birthday.

NASA astronauts revealed that the Boeing Starliner ... Wilmore said that as the Starliner approached the International Space Station, they lost the first thruster. As the Starliner got closer ...

Veteran astronaut Don Pettit conducted hundreds of hours of research and captured over half a million photos during his ISS ...

Taking to Twitter to confirm the 70-year-old's safe return to Earth, NASA wrote: "Home sweet Houston. @NASA_Astronauts Don ...

NASA's 'stranded' astronauts Sunita Williams and Barry 'Butch' Wilmore have spoken out for the first time since returning to Earth after nine months in space. The pair splashed down to Earth last ...

NASA astronauts Butch Wilmore and Suni Williams indicated they’d be willing to travel on Boeing’s Starliner spacecraft again in the future. Wilmore, one of the two NASA astronauts that wound ...

NASA astronauts Barry 'Butch' Wilmore and Sunita 'Suni' Williams made headlines after being 'stranded' onboard the International Space Station (ISS ... Thinking he had lost control, they had to decide ...

As it flew up toward the International Space Station last summer, the Starliner spacecraft lost four thrusters. A NASA astronaut, Butch Wilmore, had to take manual control of the vehicle. But as ...

NASA astronaut Butch Wilmore ... Wilmore, along with fellow astronaut Suni Williams, spent nine months aboard the International Space Station (ISS) in a mission that was supposed to last eight ...