This incident highlights the unpredictable health issues that astronauts may face during space missions. NASA astronaut Mike Fincke experienced a sudden 20-minute loss of speech while aboard the International Space Station, prompting the agency’s first medical evacuation from the ISS.
Doctors have ruled out a heart attack and choking as causes of Fincke’s episode, which occurred while he was preparing for a spacewalk. Describing the incident, Fincke stated, “It was completely out of the blue. It was just amazingly quick.” His medical episode led to the cancellation of a planned spacewalk.
Fincke was 5 and a half months into his stay at the space station when the problem occurred. Six crewmates assisted him during the medical event, which utilized the space station’s ultrasound machine. Following the evacuation, Fincke returned to Earth on January 15, 2026.
Colleagues of Fincke reassured him, saying, “This wasn’t you. This was space, right? You didn’t let anybody down.” Fincke expressed hope to return to space in the future, despite the unexpected health scare.
Since returning, Fincke has undergone numerous tests, and NASA is reviewing other astronauts’ medical records for related instances. The exact cause of his medical episode remains unclear. Details remain unconfirmed.
As NASA continues to investigate, the incident underscores the importance of monitoring astronaut health during missions. The agency’s proactive approach aims to ensure the safety and well-being of its crew members in the challenging environment of space.