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NOVA
Solar System: Icy Worlds
Season 51
Episode 12
Out in the solar system, ice can get bizarre. Visit strange, frozen worlds – from Uranus’s ultra-hot superionic ice, to glaciers of nitrogen ice on Pluto, to carbon dioxide snow on Mars – and discover why the ice here on Earth is so unique.
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See how ingenuity and teamwork keep the crew alive and doing science 250 miles above Earth.
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Astronauts and Mission Control relive terrifying moments during construction of the ISS.
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Find out why deadly flash floods are on the rise and how we can protect ourselves from them.
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Explore mysterious 9,000-year-old Stone Age megastructures found in the Arabian Desert.
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Discover how two revolutionary ancient inventions changed the course of humanity forever.
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Follow ancient humans’ journey into an icy and perilous new land.
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Discover how Homo sapiens outlasted Neanderthals – and how they helped make us who we are today.
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Follow Homo sapiens as they venture out of Africa and spread farther than any other human species.
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53:32
Trace the remarkable origin story of Homo sapiens and the crucial moments that shaped our species.