Prehistoric Arizona was a wild place. Volcanoes, earthquakes and several incursions by the ocean remade the land over the course of millions of years. The reign of the dinosaurs was punctuated by ...

Did dinosaurs shed tears? I wonder. How could we find out? Does the expression “crocodile tears” have any relevance to this ...

Add Yahoo as a preferred source to see more of our stories on Google. The iconic metro Phoenix cactus shaped like a dinosaur is now headless. Reddit users reported that the unusually shaped cactus, ...

TUCSON- A new dinosaur species was found in southern Arizona by a Tucson native. The dinosaur is called Crittendenceratops krzyzanowskii and is a new horned dinosaur that is 73 million years old. “The ...

Add Yahoo as a preferred source to see more of our stories on Google. Artist's reconstruction of a landscape dating to 209 million years ago at the site of Petrified Forest National Park in Arizona By ...

New discoveries of small animals that lived more than 200 million years ago are changing how paleontologists think about biodiversity in the Triassic. Looking for fossils in Petrified Forest National ...

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 ...

The words largest wonders, quirky road attractions and a place to have a sweet treat. Here are 10 weird things and places to ...

TUCSON, Ariz. (KGUN) — The New Year celebrations started early this afternoon on the west side at the Arizona-Sonora Desert Museum’s ‘Noon Year’s Eve’ party. Instead of the ball drop as you see in ...

WASHINGTON, July 8 (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 ...