This is a new field trip to a sand pit near Shoofly that contains small fossils and petrified wood from ancient Lake ...

But hiding along a stretch of Interstate 90 in Central Washington is a geological marvel that rivals anything you’d find on ...

Ginkgo Petrified Forest State Park represents a side of Washington that many residents never see, despite driving past it regularly on their way to somewhere else. It’s a reminder to slow down, take ...

As a native Arizonan, I've seen many of the beautiful places Arizona has to offer, so I'm sharing some of the state's best natural wonders and scenic drives. The Grand Canyon State has so many ...

If you thought that crocodiles were menacing enough, be glad that you didn’t live in Arizona some 225–201 million years ...

Professor Loren E. Babcock examines the key processes of fossilization in paleontology, highlighting the critical role of ...

A few teeth, smaller than a grain of rice, are changing the map of your earliest primate relatives. They come from a creature called Purgatorius, a tiny tree-dwelling mammal that lived about 66 ...

A prehistoric mass grave in Serbia reveals that more than 77 people—mostly women and children—were deliberately killed in a brutal act of violence about 2,800 years ago. Genetic evidence suggests the ...