- Astronaut Mike Fincke experienced a sudden, unexplained medical emergency aboard the International Space Station on January 7, losing his ability to speak for approximately 20 minutes.
- The incident, which occurred while Fincke was preparing for a spacewalk, prompted an immediate alert to flight surgeons on Earth and alarmed his crewmates.
- Despite extensive testing, doctors remain baffled by the cause of the illness, ruling out a heart attack or choking but considering a possible link to his 549 days spent in weightlessness.
- The medical crisis led to Fincke's early evacuation from the ISS via SpaceX on January 15, along with three other crewmates, and the cancellation of a planned spacewalk.
- Fincke, who has since recovered and feels fine, expressed regret over the disruption but hopes to return to space, while NASA reviews other astronauts' medical records for similar incidents.
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