A dull brown disk of rock the size of a jelly doughnut that was plucked from the desert 20 miles west of the Strip is being hailed as the oldest fossil of a land animal ever found in Nevada. Now ...

“This study demonstrates that eggshell biocalcite from non-avian dinosaurs, birds, and other egg-laying vertebrates has the ...

Tucked away in a remote bonebed in Arizona's Petrified Forest National Park laid hundreds of fossils, including a fragile jawbone belonging to one of the oldest-known flying reptiles: the pterosaur.

Researchers at Petrified Forest National Park discovered fossils that revealed a new species, which is 220 million years old. A burrowing reptile called drepanosaur, the new species is named ...

What kid hasn’t had some sort of rock collection? Discovering hidden gems is always a treat. Western Colorado is perfect for exploring geology with your kids. Look around — there is evidence of eons ...

Welcome to Bryce Canyon Country, Utah’s gateway to adventure and home to some of the most beautiful terrain on the planet. With red rocks, countless trails, slot canyons, and premier OHV access, this ...

A recent fossil discovery adds a surprising new member to the diverse array of animals that lived in the Petrified Forest 220 million years ago during the Triassic Period: an early mammal relative the ...