Extras
Discover how two revolutionary ancient inventions changed the course of humanity forever.
Follow ancient humans’ journey into an icy and perilous new land.
Your brain does all kinds of strange things. Neuroscientist Heather Berlin explains how it works.
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.
NASA’s Perseverance rover may have found the clearest signs of ancient life on Mars yet.
Trace the remarkable origin story of Homo sapiens and the crucial moments that shaped our species.
Dive into deep time to discover how fossils form, the ocean's surprising origins, and more.