Eons

When Humans Were Prey

How Blood Evolved (Many Times)

The Humans That Lived Before Us

The Island of Shrinking Mammoths

The Evolution of the Heart (A Love Story)

How 7,000 Years of Epic Floods Changed the World

The Island of Huge Hamsters and Giant Owls

The Giant Bird That Got Lost in Time

When We First Made Tools

When Giant Scorpions Swarmed the Seas

When We Tamed Fire

The Mystery Behind the Biggest Bears of All Time

The Croc That Ran on Hooves

When We Took Over the World

The Ghostly Origins of the Big Cats

The History of Climate Cycles (and the Woolly Rhino) Explained

The Hellacious Lives of the "Hell Pigs"

How Evolution Works (And How We Figured It Out)

When the Synapsids Struck Back

When Ichthyosaurs Led a Revolution in the Seas

When We Met Other Human Species

How Volcanoes Froze the Earth (Twice)

How Earth's First, Unkillable Animals Saved the World

When Giant Deer Roamed Eurasia

Was This Dinosaur a Cannibal?

The Missing Link That Wasn’t

The Raptor That Made Us Rethink Dinosaurs

When Bats Took Flight

How Pterosaurs Got Their Wings

When Giant Lemurs Ruled Madagascar

When Antarctica Was Green

The Case of the Dinosaur Egg Thief

When Hobbits Were Real

Were These Monsters Inspired by Fossils?

How We Domesticated Cats (Twice)

When Giant Hypercarnivores Prowled Africa

Why Male Mammoths Lost the Game

The Forgotten Story of the Beardogs

The Fuzzy Origins of the Giant Panda