Astronaut
NASA astronaut Suni Williams has retired after 27 years of service, marked by record-breaking time in space and leadership on the International Space Station. Her career included three missions, nine spacewalks, and contributions to future exploration efforts. The retirement took effect on December 27, 2025.
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President Trump has renominated private astronaut Jared Isaacman as NASA administrator after withdrawing his initial nomination earlier this year. The decision follows months of internal competition and political maneuvering within the administration. Isaacman, who has flown to space twice on SpaceX missions, expressed gratitude for the opportunity.