SMRTR Science & EngineeringMar 29, 2026Live Science

Mystery medical episode that left astronaut unable to speak shows one of NASA's biggest risks as moon missions ramp up

SMRTR summary

NASA astronaut Michael Fincke experienced a mysterious medical episode aboard the International Space Station in January that left him unable to speak for 20 minutes, prompting the first-ever medical evacuation from the orbiting laboratory. This unexplained incident highlights critical medical risks for upcoming Artemis moon missions, where astronauts won't have quick access to Earth-based emergency care.

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