The Triassic came on the heels of Earth’s biggest mass extinction 252 million years ago ... were the first vertebrates to achieve powered flight, followed much later by birds and bats. Pterosaurs are ...

While green isn’t an unusual color in nature, beautiful green animals are somewhat rare and exotic. A lot of the green ...

An artist's depiction of a landscape from 209 million years ago at Petrified Forest National Park in Arizona, based on fossils of plants and animals ...

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