NASA Astronauts Space Station Evacuation

This incident highlights the unpredictable health issues that astronauts may face during space missions. On January 7, 2026, astronaut Mike Fincke experienced a sudden 20-minute loss of speech while at the International Space Station (ISS). This alarming episode prompted NASA’s first medical evacuation from the ISS.

Doctors have ruled out a heart attack and choking as causes of Fincke’s episode. The incident occurred while he was preparing for a spacewalk, described by Fincke as happening “out of the blue” and “amazingly quick.” At the time, he was five and a half months into his stay aboard the space station.

The space station’s ultrasound machine was utilized during the medical event, and Fincke has undergone numerous tests since returning to Earth on January 15, 2026. His illness resulted in the cancellation of a planned spacewalk, and he expressed hope to return to space in the future.

Fincke’s colleagues reassured him, stating, “This wasn’t you. This was space, right? You didn’t let anybody down.” NASA is currently reviewing other astronauts’ medical records to identify any related instances that might have occurred in space.

As of now, the exact cause of Mike Fincke’s medical episode remains unclear. Observers note that this incident underscores the need for ongoing medical evaluations and preparedness for astronauts in the unique environment of space.