New research has identified a dinosaur "mummy zone" in a series of ravines near Lusk, Wyoming. It's produced two mummies of a fleshy dinosaur with ...

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

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

A pair of Edmontosaurus specimens found in a Wyoming dig help researchers to understand the process that led them to be ...

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

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

Some 66 million years ago, just before the great extinction, the duck-billed dinosaur Edmontosaurus annectens walks in the soft mud of a coastline passing the sun-dried a carcass of another individual ...

Dinosaur "mummies" couldn't have been further from my mind as I trudged up a grassy knoll on the Zerbst Ranch in east-central ...

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

A trove of specimens from New Mexico may help settle a long-running argument about the diversity of dinosaurs before their ...

DENVER — A rare dinosaur fossil is now on display at the Denver Museum of Nature & Science. A juvenile Tyrannosaurus rex fossil that was discovered in the North Dakota badlands is featured at the ...

Two fossilised "mummies" unearthed by scientists in the badlands of Wyoming of the duckbilled dinosaur Edmontosaurus reveal the external anatomy in exquisite detail, including the surprising presence ...