Short Mission, Real Impact: Microgravity Changes Seen in Artemis 2 Crew

2026-04-27T12:00:05.000Z A week after her historic moon mission ended, NASA astronaut Christina Koch struggled to walk in a straight line during a blindfold test. After posting a video showing her wobbling and nearly tipping over — nearly enough, in fact, that attendants jumped in ready to help — Artemis 2's Koch joked about her recovery on Instagram: "Guess I'll be waiting a minute to surf again." In microgravity, she added, the brain learns how to ignore signals our body automatically generates when moving around.