Researchers have unearthed two dinosaur "mummies" in the badlands of Wyoming, confirming duck-billed dinosaurs had hooves, ...

Drive two and a half hours southeast of Yellowstone National Park and you’ll find a different kind of wild. Wind blows sand across dry stream beds, and gnarled, candy-striped hoodoos jut out of ...

Wyoming's badlands have yielded two mummified duck-billed dinosaur fossils, revealing the first-ever evidence of hooves in dinosaurs. These 66-million ...

A paleontologist was trying to locate the site of a famous 1908 discovery when a rancher in Wyoming shared an important clue.

"For the first time, we have a complete, detailed picture of a large dinosaur that we are really convinced of." ...

Dinosaur "mummies" couldn't have been further from my mind as I trudged up a grassy knoll on the Zerbst Ranch in east-central Wyoming, followed by University of Chicago undergraduates on a field trip ...