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

By working with the two mummies, the researchers were also able to determine that Edmontosaurus could likely grow over 40 ...

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

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

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

Wyoming’s “dinosaur mummies,” once thought to preserve fossilized flesh, are actually detailed clay molds formed by microbes ...

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

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

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

Researchers say they have uncovered a case of mistaken identity and found evidence of a species called Nanotyrannus lancensis.

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

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