Based on records from the Paleobiology Database, a public database that contains information about organisms of all geological ages, Arizona has the 12th most dinosaur fossils among states with ...

New discoveries of small animals that lived more than 200 million years ago are changing how paleontologists think about ...

This oddly shaped fossil came from a 6-million-year-old rock formation in Lake Mead National Recreation Area along the Arizona-Nevada border. What is it? National Park Service image It has “an ...

The Arizona Daily Wildcat is the award-winning, student-managed and -produced news outlet serving the University of Arizona and greater Tucson since 1899. The Daily Wildcat publishes daily at ...

Imagine an ear falling off a first century Roman statue and you’ll get an idea of what someone found at the Lake Mead National Recreational Area in Arizona. Photos of the fossil — yes ...