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

In 1906, President Theodore Roosevelt created the Petrified Forest National Monument, which became a national park in 1962. Petrified Forest National Park is also an International Dark Sky Park.

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