NASA’s record-breaking astronaut, Peggy Whitson, retired today less than a year after returning from her last and longest spaceflight. She’s spent more time off the planet than any other American: 665 days over three space station missions. She’s also the world’s most experienced female spacewalker, with 10 under her spacesuit belt. Whitson was the first woman to command the International Space Station, holding the position twice, and the oldest woman […]

Williams will be No. 14 on the world’s most-time-in-space list, behind 13 Russians, by the time he lands Astronaut Jeffrey Williams has a new record for NASA under his space belt. The commander of the International Space Station marked a U.S. recording-breaking 521st day in orbit Wednesday, a number accumulated over four flights. That surpasses the 520-day record set by Scott Kelly, whose one-year space station mission ended in March. […]