NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have been on the International Space Station since June, ...

NASA's two stranded astronauts conducted their first spacewalk together Thursday, stepping outside the International Space Station.

Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to No. 4 overall.

After a gap of more than a year, NASA successfully resumed spacewalks outside the International Space Station on Thursday.

Williams and Wilmore both arrived at the ISS last June, aboard the first crewed test flight of Boeing's Starliner spacecraft. The astronauts were only slated for a 10-day mission, but issues with ...

NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year.

Founded in 1990, the U.S. Astronaut Hall of Fame is part of the Heroes & Legends attraction at the Kennedy Space Center ...

On May 13, 1992, during the maiden voyage of the space shuttle Endeavour, a trio of astronauts conducted the first-ever spacewalk involving more than two participants. STS-49 mission specialists ...

The Russian cosmonauts onboard the space station conducted a spacewalk in December ... spacesuits being used by NASA date back from the shuttle program, which began in 1983.

CAPE CANAVERAL, Fla. (AP) — NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year.

Suni was joined by fellow NASA astronaut Butch Wilmore on the extravehicular activity. The two astronauts, who originally expected to spend just a week on the ISS after the Boeing Starliner's test ...