Discover 10 crazy prehistoric animals that once ruled the world millions of years ago - and they're not dinosaurs ...

For centuries, massive teeth found along coastlines puzzled scientists and naturalists. Researchers later discovered these ...

The world’s largest palaeoburrow is located in the Amazon Rainforest and is so long it’d take you roughly 20 minutes to walk ...

Millions of years after the last dinosaur roamed the earth, a new generation of killer animals rose to power. The Eocene, between 56-34 million years ago, was ruled not by killer reptiles but by a new ...