NASA and Boeing are still working on the thruster issues that Starliner experienced on its first crewed flight last year, so ...

The two astronauts who crewed the Boeing Starliner have greeted their replacements, who docked Sunday morning at the ...

A four-member crew, including NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore, left the ISS early Tuesday on ...

NASA astronauts Sunita Williams and Barry “Butch” Wilmore splashed down safely Tuesday in the Gulf of Mexico after an ...

A Dragon capsule undocked from the International Space Center early Tuesday, sending NASA astronauts Suni Williams and Butch ...

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

Butch Wilmore and Suni Williams left the International Space Station after nine months in space, checking out with two other ...

Workouts in outer space have evolved as technology has advanced. Early space mission astronauts had to rely on resistance bands (those colored elastic bands physical therapists give you), but they ...

The astronauts who flew aboard the Boeing Starliner for its maiden crewed voyage undocked Tuesday morning from the ISS and ...

The Mars Curiosity rover’s onboard mini-lab has helped confirm the existence of the largest organic molecules ever found on ...

Starliner astronauts Suni Williams and Butch Wilmore, who were stranded at the International Space Station for nine months, ...

NASA and SpaceX made another attempt on Friday to send a crew up to the International Space Station (ISS) and begin the ...