Titanoboa: Monster Snake: Teaser

Why This Whale Ancestor is an Evolutionary Surprise

How a Single Asteroid Wiped Dinosaurs Off This Planet

The Small Killer Threatening the Future of Yellowstone

This Mammoth Carcass is Over 40,000 Years Old

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

A Woolly Mammoth Autopsy Turns Frantic

Can This Man Bring Back the Woolly Mammoth?

Meet the Scientist: Jon Bloch

Prehistoric Bird Fossils Found in China Are Amazingly Detailed

Scientists Find Skull of an Extinct Crocodile Species

Winged Dinosaurs Didn?t Always Use Their Wings to Fly