Astronaut Nicole Stott, who has made it her mission to promote the healing power of art and the need to protect our planet, ...

The late space pioneer Sally Ride is the subject of a documentary, "Sally," that premiered to acclaim at the Sundance Film ...

Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to number four overall.

The record-breaking spacewalk set a new women's record for total spacewalking time and saw the astronauts finally remove ...

Breathing New Air Chinese astronauts claim to have created rocket fuel on board the country's Tiangong space station using a ...

The four American astronauts aboard the ISS, including the Boeing Starliner crew, spoke to USA TODAY in an exclusive ...

NASA astronaut Suni Williams set a female spacewalk record after venturing outside the International Space Station with ...

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

NASA astronaut Sunita “Suni” Williams, one of the two astronauts on an unintentionally extended stay aboard the International ...

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

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

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