"Fast movements and loud noises made her retreat to her safe space, and she wasn't quite ready to trust," the shelter said.

Paleontologists with the Petrified Forest National Park have named and described a new reptile within the park that lived in ...

Fossils from the Petrified Forest National Park, in northern Arizona, revealed the discovery of a new reptile species that ...

Scientists have discovered an entirely new species in northern Arizona, but it has been extinct for more than 220 million ...

Lesbos’ Petrified Forest was formed 20 million years ago when a volcano exploded in the island’s north, covering the entire area with ash and lava.

In a place better known for rainbow-hued petrified wood and badlands stretching to the horizon, paleontologists at the ...