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

NASA astronauts Suni Williams and Butch Wilmore completed a spacewalk Thursday while awaiting their delayed return to Earth.

Through amateur — or “ham”— radio communication, sixth graders at Pine View spoke to an astronaut aboard the International ...

So the return of Suni Williams and Butch Wilmore has never been a political story—until this week. And it's a good thing that ...

Elon Musk says Donald Trump has asked SpaceX to rescue two astronauts who have been in space for more than seven months — ...

President Trump said Tuesday that he “asked Elon Musk and @SpaceX to ‘go get’ the 2 brave astronauts who have been virtually ...

As billions of people worldwide celebrate the Lunar New Year, astronauts aboard China's Tiangong space station sent home a ...

Despite the statement from President Trump, NASA had already scheduled the astronauts' return for late March or April.

The P-Tech students will have their out-of-this-world experience along with the Fair Lawn Amateur Radio Club sometime this ...

Astronauts Butch Wilmore and Suni Williams will conduct a spacewalk outside the International Space Station to swab the ...

Shubhanshu Shukla, a Group Captain in the Indian Air Force, is set to become the first Indian astronaut to travel to the International Space Station (ISS). He will serve as a pilot in the Axiom-4 ...

BEIJING -- As China's Shenzhou XIX mission reaches its halfway, the three astronauts aboard the Tiangong space station, ...