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

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

Argentinian researchers have described a Carnian theropod with features previously thought to belong only to much later neotheropods, indicating greater early dinosaur diversity than expected as well as a possible climate-related ebb and return of dinosaur abundance in northwestern Argentina.

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

"A lot of field work, especially paleontology, is trying your hardest not to break very important things," he said.