About 360 million years ago, a huge armored fish patrolled a shallow sea that once covered what is now Cleveland. This animal, known as Dunkleosteus terrelli, has long held a place among the most ...

In the quiet cliffs of Stevns, Denmark, a 79-year-old amateur fossil hunter split open a piece of chalk last November and stumbled upon something extraordinary: a 66 million-year-old clump of ...

Dinosaurs often steal the spotlight when it comes to terrifying prehistoric creatures, but they were far from the only fearsome beasts to roam the Earth. From enormous sea predators with jaws that ...