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

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

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

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

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

For nearly three weeks now, a photograph of a spectacular specimen of petrified wood has been going viral. It appears in at least 17 discussion groups on Reddit, one of which has more than 41,000 ...

The petrified man continued to be shown sporadically in Montana. Laura Steinmetz of Laurel owns a postcard, apparently dating to the early 1900s, advertising an exhibit of "A Great Wonder, a ...

Other petrified forests are assemblages of log pieces, such as the Ginkgo Petrified Forest in nearby Vantage, Wash., where fallen trees from various places had been carried by mudflows to a funnel ...