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

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

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

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

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

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

Argentinian researchers have described a Carnian theropod with features previously thought to belong only to much later ...

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

To gain a better understanding of the creature, a team at the University of Chicago led by anatomist Paul Sereno tracked down the historical locations of previous dinosaur finds in east central ...

Edmontosaurus fossils had large areas of preserved external skin surface, providing the most fleshed-out view of a large ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed ...