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

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

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

Two fossilized "mummies" unearthed by scientists in the badlands of Wyoming of the duckbilled dinosaur Edmontosaurus reveal ...

Long before horses thundered across the plains, a plant-eating giant with hooves of its own left footprints in the mud. Newly ...

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

Scientists uncovered two fossilized hoofed dinosaur “mummies” with preserved skin and the first evidence of hooves in any ...

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

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 ...