Astronaut Suni Williams left NASA late last month after 27 years of service. She spent a total of 608 days in space, more than all but one other American astronaut.

NASA's Suni Williams — one of two astronauts stuck for months at the International Space Station — has retired.

For Suni Williams, 608 days in space was enough to call it a career. The 60-year-old NASA astronaut who flew on three missions to the International Space Station, the most recent as part of the Crew Flight Test of Boeing’s Starliner,

"It’s been an incredible honor to have served in the Astronaut Office," Williams said in a statement Suni Williams has announced her retirement from NASA after 27 years with the agency Williams was one of two astronauts who spent nine months stuck in space between June 2024 and March 2025 due to mechanical issues with their spacecraft The Massachusetts native thanked her colleagues in a statement for their "wonderful love and support" over nearly three decades Sunita “Suni” Williams has announced her retirement from NASA.

NASA’s Sunita Williams is hanging up her spacesuit, marking the end of an illustrious career that has taken her to cosmic heights. With a legacy that spans decades, Williams has cemented her place in the annals of space exploration history.

NASA’s Suni Williams — one of two astronauts stuck for months at the International Space Station — has retired. The space agency announced the news Tuesday, saying her retirement took effect at the end of December.