India, Jan. 21 -- After nearly three decades of distinguished service, veteran NASA astronaut Sunita "Suni" Williams has retired from the US space agency, effective December 27, 2025, NASA announced.

Williams concluded a remarkable 27-year career marked by record-setting missions and leadership roles aboard the International Space Station (ISS). She flew on three space missions, contributing significantly to human spaceflight, space station operations, and future deep-space exploration.

"Suni Williams has been a trailblazer in human spaceflight, shaping the future of exploration through her leadership aboard the space station and paving the way for commercial missions to low Earth orbit," said NASA Administrator Jared Isaacman. "Her ext...