Trending Now - NASA Investigates Astronaut's Sudden Loss of Speech in Space

WHO:

Kottke - Astronaut Michael Fincke was rendered unable to speak.

IFLScience - Astronaut Mike Fincke and fellow NASA astronaut Zena Cardman were involved in the incident.

WHAT:

Kottke - Fincke was evacuated to Earth after losing the ability to speak while on the International Space Station (ISS).

IFLScience - The medical episode struck Fincke "like a very, very fast lightning bolt."

IFLScience - NASA stated that the situation was stable and that they would share additional details later.

WHERE:

IFLScience - The incident occurred aboard the International Space Station (ISS).

WHEN:

IFLScience - The medical episode occurred on January 7th, 2026.

IFLScience - Fincke returned early from the ISS in January 2026.

WHY:

IFLScience - NASA believed the issue was likely space-related and is investigating the medical records of other astronauts for insights.

HOW:

IFLScience - Fincke experienced the medical event while eating dinner, lasting roughly 20 minutes.

IFLScience - Fincke credited his crewmates for their quick action during the incident.

IFLScience - NASA determined that the safest course was an early return for Crew-11, which was a carefully coordinated plan to access advanced medical imaging not available on the ISS.

IFLScience - Extensive medical tests and an ultrasound were conducted once Fincke returned to Earth, but the cause of the incident remains unclear.

(UPDATED March 31, 2026 15:23 UTC)

Astronaut Michael Fincke was evacuated from the International Space Station after experiencing a sudden medical episode that rendered him unable to speak while he was having dinner January 7th. NASA has stated that the situation is stable and is investigating the incident, which they believe may be related to the unique conditions of space, while also reviewing the medical records of other astronauts for further insights. After the incident, Fincke underwent extensive medical tests and an ultrasound upon his return to Earth, but the cause of his sudden loss of speech remains unclear.