Mass Extinction: Life at the Brink: Sneak Peek

Reptiles Can't Fly. But This One Glides Like a Pro.

How the Largest Flying Bird of All Time Stayed Airborne

What Ultra High Speed Penguin Footage Reveals About Pliosaurs

Why You Should Know the Prolific Princess of Paleontology

The Perfect Reptile-Bird Hybrid Definitely Looks the Part

Can This Man Bring Back the Woolly Mammoth?

A Woolly Mammoth Autopsy Turns Frantic

What Really Killed Off the Woolly Mammoth?

Would You Pay $100,000 to Clone Your Dog?

This Mammoth Carcass is Over 40,000 Years Old

The Surprising Culprit Threatening Yellowstone's Grizzly Bears

David Attenborough's Conquest of the Skies

The First to Fly