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

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.

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

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

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

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

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

A singular geological process—a clay mask of extreme fineness—has allowed the appearance in life of a 66-million-year-old ...

Two fossilised "mummies" unearthed by scientists in the badlands of Wyoming of the duckbilled dinosaur Edmontosaurus reveal the external anatomy in exquisite detail, including the surprising presence ...

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