Season 1

Video thumbnail: Eons How the Squid Lost Its Shell

Eons

How the Squid Lost Its Shell

Ancestors of cephalopods all had shells until it proved to be their biggest weakness.

How the Squid Lost Its Shell

Video thumbnail: Eons What Was the Ancestor of Everything?

Eons

What Was the Ancestor of Everything?

The search for our origins go back to a single common ancestor.

What Was the Ancestor of Everything?

Video thumbnail: Eons Inside the Dinosaur Library

Eons

Inside the Dinosaur Library

We talk to Amy Atwater, Collections Manager at the Museum of the Rockies.

Inside the Dinosaur Library

Video thumbnail: Eons The Most Useful Fossils In The World

Eons

The Most Useful Fossils In The World

Mysterious fossils can be used to tell time in the deep past.

The Most Useful Fossils In The World

Video thumbnail: Eons What a Dinosaur Looks Like Under a Microscope

Eons

What a Dinosaur Looks Like Under a Microscope

What has been observed and learned from putting dinosaur bones under a microscope.

What a Dinosaur Looks Like Under a Microscope

Video thumbnail: Eons How the Turtle Got Its Shell

Eons

How the Turtle Got Its Shell

Where did turtles come from? And how did the they get their shells?

How the Turtle Got Its Shell

Video thumbnail: Eons The Other Explosion You Should Know About

Eons

The Other Explosion You Should Know About

The Sudden burst of diversity that marked the dawn of truly complex life on our planet.

The Other Explosion You Should Know About

Video thumbnail: Eons How Sex Became A Thing

Eons

How Sex Became A Thing

Follow the early history of how (and why) sex became a thing.

How Sex Became A Thing

Video thumbnail: Eons From the Cambrian Explosion to the Great Dying

Eons

From the Cambrian Explosion to the Great Dying

The Paleozoic Era is one of the most chaotic times in Earth's history. Find out why!

From the Cambrian Explosion to the Great Dying

Video thumbnail: Eons The Whole Saga of the Supercontinents

Eons

The Whole Saga of the Supercontinents

So if we want to know how we got here, we have to understand how "here" got here.

The Whole Saga of the Supercontinents

Video thumbnail: Eons The Great Snake Debate

Eons

The Great Snake Debate

90 million years ago, an ancient snake known as Najash had...legs.

The Great Snake Debate

Video thumbnail: Eons Untangling the Devil's Corkscrew

Eons

Untangling the Devil's Corkscrew

In the late 1800s, paleontologists in Nebraska found huge coils of hardened sand.

Untangling the Devil's Corkscrew

Video thumbnail: Eons The Time Terror Birds Invaded

Eons

The Time Terror Birds Invaded

5 million years ago, a predator made its way onto the coastal plains of North America.

The Time Terror Birds Invaded

Video thumbnail: Eons How Two Microbes Changed History

Eons

How Two Microbes Changed History

More than two billion years ago, a tiny living thing started to live inside another thing.

How Two Microbes Changed History

Video thumbnail: Eons When Giant Fungi Ruled

Eons

When Giant Fungi Ruled

An unlikely group of pioneers ultimately made life on land possible -- the fungi.

When Giant Fungi Ruled

Video thumbnail: Eons What Happened to the World's Greatest Ape?

Eons

What Happened to the World's Greatest Ape?

Gigantopithecus is the greatest great-ape that ever was.

What Happened to the World's Greatest Ape?

Video thumbnail: Eons The Last Time the Globe Warmed

Eons

The Last Time the Globe Warmed

Imagine an enormous, lush rainforest teeming with life...in the Arctic.

The Last Time the Globe Warmed

Video thumbnail: Eons The Facts About Dinosaurs & Feathers

Eons

The Facts About Dinosaurs & Feathers

Dinosaurs have been found with some sort of fluff or even full-on plumage.

The Facts About Dinosaurs & Feathers

Video thumbnail: Eons The Search for the Earliest Life

Eons

The Search for the Earliest Life

Even in a hellish environment, life found a way.

The Search for the Earliest Life

Video thumbnail: Eons A Brief History of Geologic Time

Eons

A Brief History of Geologic Time

Geologists have been able to identify crucial episodes in life’s history.

A Brief History of Geologic Time

Video thumbnail: Eons An Illustrated History of Dinosaurs

Eons

An Illustrated History of Dinosaurs

Our image of dinosaurs has been constantly changing since naturalists started studying the

An Illustrated History of Dinosaurs

Video thumbnail: Eons When Whales Walked

Eons

When Whales Walked

We know whales as graceful giants bound to the sea.

When Whales Walked

Video thumbnail: Eons Living Fossils' Aren't Really a Thing

Eons

Living Fossils' Aren't Really a Thing

Even the most ancient-looking organisms show us that evolution is always at work.

Living Fossils' Aren't Really a Thing

Video thumbnail: Eons When The Earth Was Purple

Eons

When The Earth Was Purple

But imagine a time when the Earth looked a little … purple.

When The Earth Was Purple

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