Amateur paleontologist finds rare fossil of fish in Arizona

Growing up, Stephanie Leco often would dig in her backyard and imagine finding fossils of a tyrannosaurus rex. She was fascinated with the idea of holding something in her hand that was millions of years old and would give ...

Amid a fossil bonanza, drilling deep into pre-dinosaurian rocks

On a high ridge in Arizona's Petrified Forest National Park, paleontologist Paul Olsen sits on the fallen trunk of a 215-million-year-old tree, now turned to stone. The tree once loomed 70 or 80 feet above a riverine landscape ...

Petrified Forest adds 26,000 acres of private land

(AP) -- The federal government is gaining control over an even larger expanse of rainbow-colored petrified wood, fossils from the dawning age of dinosaurs and petroglyphs left by American Indian tribes who once lived in ...