A new pterosaur species was recently discovered in the vomit of a dino. But that's just the start of revelations from prehistoric excretions. Millions of years ago, a predator like spinosaurus (shown ...

In the third episode of our Dead World video series, National Geographic digital editor Nicholas St. Fleur examines tiny prehistoric predators with baffling claws, weird wings, and bony skulls ...

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 ...