NASA astronaut Don Pettit is scheduled to return to Earth from the International Space Station, completing his 4th mission to ...

See Sally Ride’s boundary-breaking life in photos. 41 years ago, she became the first American woman in space. Our photographer documents what was it like to be an astronaut—and queer—in the ...

NASA astronaut Don Pettit, an energetic tinkerer and photographer, used his off-duty time on the International Space Station ...