Extras
What if violent asteroid impacts actually jump-started life on Earth? Explore a dramatic theory.
Male elephants form powerful bonds — and even become adoptive parents together.
In Amboseli, one male’s opportunity attracts rivals — and the attention of watching juveniles.
Esau’s journey spans borders that elephants cannot see — but must obey.
Follow the complex lives of giant elephant bulls in Amboseli and Mount Kilimanjaro.
James tends to an aging dog while Jimmy stumbles upon Siegfried and Susan... and a horse.
What federal guidelines say about agents using deadly force
News Wrap: Internet and phone service shut off in Iran amid widening protests
Senate moves to restrict Trump from taking further military action against Venezuela
Minnesota leaders and protesters push for accountability after ICE shooting
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NOVA Season 53
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NOVA Season 46
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NOVA Season 37
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NOVA Season 30
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NOVA Season 28
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NOVA Season 27
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NOVA Season 23
What if violent asteroid impacts actually jump-started life on Earth? Explore a dramatic theory.
See how ingenuity and teamwork keep the crew alive and doing science 250 miles above Earth.
Astronauts and Mission Control relive terrifying moments during construction of the ISS.
Find out why deadly flash floods are on the rise and how we can protect ourselves from them.
Explore mysterious 9,000-year-old Stone Age megastructures found in the Arabian Desert.
Discover how Homo sapiens outlasted Neanderthals – and how they helped make us who we are today.
Follow Homo sapiens as they venture out of Africa and spread farther than any other human species.
Trace the remarkable origin story of Homo sapiens and the crucial moments that shaped our species.
Forensic science is put to the test after the first-ever staged multi-vehicle pileup.