BOSTON (WHDH) – NASA astronaut Suni Williams retired from the agency effective December 27, 2025 after 27 years of service, NASA announced Tuesday.
Williams, a Needham native, completed three missions aboard the International Space Station, and set numerous human spaceflight records throughout her career.
She spent 608 days in space, and is second on the list of cumulative time in space by a NASA astronaut. She ranks sixth on the list of longest single spaceflight by an American, tied with NASA astronaut Butch Wilmore, who both logged 286 days during NASA’s Boeing Starliner and SpaceX Crew-9 missions from June 2024 to March 2025. Williams also completed nine spacewalks, and holds the record for the most spacewalk time by a woman. She also was the first person to run a marathon in space…