More than a century ago prolific fossil collector Charles Sternberg discovered the skeleton of a duck-billed Edmontosaurus ...

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

New research in a North American “mummy zone” in eastern Wyoming reveals how giant duck-billed dinosaurs were preserved in ...

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

Scientists reveal that a 66-million-year-old dinosaur ‘mummy’ was preserved by a clay mask, offering new insights into ...

The preserved record of “dinosaur mummies” soft tissue discovered in Wyoming is shedding new light on what these creatures ...

Remains of dinosaur ‘mummies’ found 100 years ago in Wyoming still have skin and hooves, researchers say - The skeletons of ...

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 ...

A new study sheds light on how these reptiles become “mummies” and paints a picture of what these ancient animals looked like ...

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

NEW YORK (AP) — Researchers have unearthed a spooky pair of dinosaur mummies that seem to have been preserved in an ...