He suddenly couldn't speak in space. NASA astronaut says his medical scare remains a mystery
He suddenly couldn't speak in space. NASA astronaut says his medical scare remains a mystery
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He suddenly couldn't speak in space. NASA astronaut says his medical scare remains a mystery
The astronaut who prompted NASA's first medical evacuation earlier this year says doctors still don't know why he suddenly fell sick at the International Space Station.

The astronaut who prompted NASA’s first medical evacuation earlier this year said Friday that doctors still don’t know why he suddenly fell sick at the International Space Station.