NASA Postpones Spacewalk on International Space Station To Deal With Medical Concern With One of the Astronauts – An Early Return to Earth Is Being Considered for Crew-11

The ISS orbiting planet Earth.

Heath issues in space.

Yesterday (7), NASA announced it was postponing a spacewalk scheduled for today (8) because of a ‘medical concern’ regarding one of the crew members.

No additional information was provided about the issue or name the astronaut involved.

More on the now postponed spacewalk: https://t.co/oegMJTgMUW

NASA photos dated Dec. 30-31, 2025 pic.twitter.com/nH0miV6Vqi

— Spaceflight Now (@SpaceflightNow) January 7, 2026

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