Seasons & Episodes
High risk build
Astronauts and Mission Control relive terrifying moments during construction of the ISS.
Science and Survival
See how ingenuity and teamwork keep the crew alive and doing science 250 miles above Earth.
The size of a football field, the International Space Station hurtles around Earth at 17,000 mph, shielding its astronauts from the most hostile environment humans have ever endured. After 25 years of continuous human presence in space, astronauts and Mission Control insiders reveal the most terrifying moments aboard this remarkable orbiting laboratory, where a single mistake could prove fatal. From ammonia leaks, meteor strikes, and docking disasters, to spacewalk horrors, potentially lethal showers of space junk, and the moment the entire ISS backflipped out of control, follow life-or-death dramas unfolding 250 miles above our planet – and the human ingenuity and teamwork that save the day.
The size of a football field, the International Space Station hurtles around Earth at 17,000 mph, shielding its astronauts from the most hostile environment humans have ever endured. After 25 years of continuous human presence in space, astronauts and Mission Control insiders reveal the most terrifying moments aboard this remarkable orbiting laboratory, where a single mistake could prove fatal. From ammonia leaks, meteor strikes, and docking disasters, to spacewalk horrors, potentially lethal showers of space junk, and the moment the entire ISS backflipped out of control, follow life-or-death dramas unfolding 250 miles above our planet – and the human ingenuity and teamwork that save the day.
Astronauts and Mission Control relive terrifying moments during construction of the ISS.
See how ingenuity and teamwork keep the crew alive and doing science 250 miles above Earth.
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