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

Barry Hughes, a volunteer in the Condon Fossil Collection, opens a drawer containing the head of a saber-tooth tiger and ...

Trading gems, minerals, fossils and meteorites can be fraught with controversy and ethical ambiguity. But is the answer to ...

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 ...

Three tiny Purgatorius teeth found in Colorado are helping scientists trace how early primates evolved and spread across North America.

He also noted that features such as bipedalism, toothless beaks, hollow bones, and large eye sockets are typically associated ...