NASA is considering medical evacuation for an astronaut on the ISS.

NASA says it is monitoring a medical concern affecting a crew member on the International Space Station and has postponed a planned spacewalk; the agency is evaluating options, including an early end to Crew-11's mission.

NASA is monitoring a medical concern involving a crew member aboard the International Space Station and has said the situation is stable. A planned spacewalk has been postponed while the agency evaluates the matter. The agency cited medical privacy for not releasing further details and said it is actively evaluating all options. The four-member Crew-11 arrived at the station on 2 August 2025 and had a planned minimum six-month stay. What is known: - NASA reported a medical concern with a crew member that arose Wednesday afternoon aboard the orbital complex. - The agency described the situation as stable and said it would not share private medical details. - A scheduled spacewalk has been postponed and NASA said it is "actively evaluating all options", including the possibility of ending Crew-11's mission early. - Crew-11 consists of Zena Cardman, Michael Fincke, Kimiya Yyui, and Oleg Platonov, and they arrived at the ISS on 2 August 2025. Summary: An early return or medical evacuation has not been confirmed and the next operational decisions are undetermined at this time. NASA said it will provide further updates within 24 hours and will announce a new date for the postponed spacewalk later.