Dinosaurs, pterosaurs, and the incredible creatures that ruled Earth millions of years ago.
The king of the dinosaurs had feathers, a crushing bite, and hilariously tiny arms.
Pterosaurs weren't dinosaurs. Some had wingspans wider than a fighter jet.
A three-horned, frilled plant-eater of the Late Cretaceous, one of the last dinosaurs before the asteroid impact and a frequent rival of T-Rex.
