Earth once hosted more than 10,000 species of these ancient marine predators. Find out how they lived, when they vanished, and how much we know about them today. Based on the fossil record ...

It was flying. Pterosaurs were species of prehistoric reptiles with winged bodies and beak-like mouths capable of snatching small animals and insects off the ground. Some pterosaurs — “the ...

Other prehistoric animals, however, may not have had such a dominating presence. Take procolophonids, for example. These small, lizard-like animals belong to a group called parareptiles ...