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

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

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 ...

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

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

Exceptionally preserved “dinosaur mummies” of the duck-billed Edmontosaurus have unveiled the first-known reptile hooves, ...

To gain a better understanding of the creature, a team at the University of Chicago led by anatomist Paul Sereno tracked down ...

"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 ...

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

About 66 million years ago, a herd of herbivorous dinosaurs succumbed to drought – tragically, just hours or days before heavy rains fell.