Peggy Whitson has already surpassed the time spent in space by any US astronaut, passing the previous record of 534 days, 2 hours, and 49 minutes — and she still has five months to go. NASA
Space & Innovation

Peggy Whitson's Record Caps a String of Important Milestones for Women in Space

This is just the latest in a series of records for Whitson, including first female to command the space station, first female to command it twice, and most spacewalks by a woman.

An archival picture of Valentina Tereshkova, the first woman in space, circa 1969. Wikimedia Commons
Sally Ride, the first US female to fly in space, aboard space shuttle flight STS-7 in 1983. NASA
Svetlana Savitskaya's accomplishments were commemorated on a Soviet stamp, where she appears alongside her fellow cosmonauts Leonid Popov and Aleksandr Serebrov. Wikimedia Commons
Astronauts Kathryn Sullivan, left, and Sally Ride aboard Space Shuttle Challenger on mission STS-41G. NASA
U.S. astronaut Peggy Whitson during her seventh spacewalk on Jan. 6, 2017. She now holds the record for the most spacewalks by a female, with eight. NASA
Shuttle flight STS-131 carried three females (among seven astronauts) aloft in 2010. Along with a female on the International Space Station, this meant that four women were working in space simultaneously for the first time. NASA
Samantha Cristoforetti, a member of Expeditions 42 and 43, was on the International Space Station between 2014 and 2015. Following the death of Leonard Nimoy, who portrayed Mr. Spock on Star Trek, she photographed herself wearing a Starfleet pin on her shirt and giving the Vulcan salute. ESA/NASA