In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...

Fossils of the pterosaur were discovered in Petrified Forest National Park. The fossils date back 209 million years.

Turtles have been around for 200 million years—outliving dinosaurs, surviving ice ages, and basically minding their own ...

There is a remarkable snail with breathtakingly beautiful shells that can only be found in Cuba. It is not native to any other Caribbean island. Sadly, their beautiful shells make the snail highly ...