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

The skeletons of a duck-billed dinosaur found more than 100 years ago are so well-preserved that they contain fleshy body ...

The skeletons of the duck-billed dinosaurs, Edmontosaurus Annectens – which lived more than 66 million years ago in the late ...

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

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

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

Researchers now have a new idea of what a certain type of duck-billed dinosaur looked like, thanks to experts from the ...

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

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

"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 ...

Scientists discovered that some dinosaur “mummies," such as Edmontosaurus annectens, weren’t preserved skin but clay molds ...