13 Real Stories of Astronaut Isolation That Make Space Look Terrifying

11. Luca Parmitano and the Spacesuit Flood

In July 2013, during a spacewalk on the International Space Station, ESA astronaut Luca Parmitano’s helmet began filling with water from an unknown source. Unable to communicate and nearly blinded, he was trapped in his suit, alone with panic, until barely making it back to safety. This terrifying ordeal led to major suit safety upgrades. (scientificamerican.com)