The signature piece of the E. L. Wiegand Ponderosa Playscape is the Pinecone Portal, a 12-foot-tall pinecone large enough for an adult to walk through. The Playscape opened onSaturday, April 19, at ...

Scientists added descriptive terms to the existing general Indigenous frog and reptile names to make them specific.

Mexican gray wolf conservation remains a concern in Arizona, but in some of the same areas, prairie dogs create new issues.

Knife-toothed reptiles called sebecids went extinct on the mainland 10 million years ago. New fossil evidence puts them on an island 4 million years ago.