Latest Episodes
New evidence sheds light on the remarkable life—and mysterious collapse—of the ancient jungle city.
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.
Extras
Do speech buttons really allow dogs to talk to us? Scientists investigate.
New evidence sheds light on the remarkable life—and mysterious collapse—of the ancient jungle city.
What if violent asteroid impacts actually jump-started life on Earth? Explore a dramatic theory.
They're older than King Tut, Ötzi the Iceman, and even the ones found in the Atacama Desert.
See how ingenuity and teamwork keep the crew alive and doing science 250 miles above Earth.
A dangerous spacewalk, a toxic leak, and a breathtaking view of Earth.
A small piece of insulation caused catastrophic damage.
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.
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