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

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

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

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

Long before horses thundered across the plains, a plant-eating giant with hooves of its own left footprints in the mud. Newly ...

Edmontosaurus, which munched plants with its broad and flat snout that vaguely resembled a duckbill, roamed western North ...

History buffs will adore discovering this town in Wyoming that feels like a throwback to the Wild West and is on the doorstep ...

It’s been more than 60 million years since duck-billed dinosaurs roamed around what is now known as western North America. Or ...

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 ...

A recent study suggests the unique geology of an area in Wyoming makes it a trove of unusually preserved fossils ...

In a new paper in Science, experts from the University of Chicago describe steps that took place some 66 million years ago to ...