WASHINGTON (Reuters) -Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable ...

Nestled within Coconino National Forest in central Arizona, Fossil Creek boasts crystal-clear turquoise water, scenic waterfalls and a diverse ecosystem amid breathtaking landscapes. A visit to Fossil ...

Credit: Abraham Karam A man jumps from a cliff into a pool in Fossil Creek as others look on. Dexter Allen, a Fossil Creek patrol ranger, cleans trash from a firepit after a big weekend. Deep in ...

PHOENIX — Fossil Creek in central Arizona is reopening to the public after a wildfire forced a closure for nearly a year-and-a-half. All sites, including the Childs Dispersed Camping Area, will reopen ...

These ancient crustaceans are meager in size but mighty in history. A colony of prehistoric triops, a tadpole shrimp that’s existed for hundreds of millions of years, was beautifully captured by ...

When you get to the Grand Canyon and gaze out at the incomprehensibly large sight in front of you, you might not even notice the life right beneath your feet. When you stand on the rim of the canyon, ...

PHOENIX — Fossil Creek and the lower San Pedro River near Winkelman are now safe for recreation, according to a release by the Arizona Department of Environmental Quality. Both water bodies were ...