While we're going back to first grade to review our paleontology facts, check out these 15 epic extinct animals ... The ...

Extinct species are every bit as interesting ... your jaw drop if they had survived into the present-day. The class of animals that we refer to as “reptiles” or “reptilia” came into ...

Every lost species threatens to unravel ecosystems and in the process reduce the services they provide. “It’s not too late to stop more plants and animals from going extinct, but we have to act fast,” ...