Smithsonian researchers have linked discoveries within Arizona’s Petrified Forest National Park with a previously unknown ...

The resulting Nankoweap landslide would have dumped enormous limestone boulders into the river corridor, creating a temporary ...

Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying ...

Fossil hunting is quite the fun hobby, and if you want to indulge that interest, there are some specific places that you ...

In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...

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, it’s ...

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, it’s ...

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, it’s ...

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, it’s ...

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, it’s ...

Fossil shaped like a human ear has National Park Service asking questions about its origin in Arizona recreation area. Ear-shaped fossil found in Arizona park, officials say | Tri-City Herald National ...

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, it’s ...