If you thought that crocodiles were menacing enough, be glad that you didn’t live in Arizona some 225–201 million years ...

A newly described Patagonian fossil reveals the evolutionary origins and global spread of the tiny alvarezsaur dinosaurs.

A near-complete fossil from Patagonia has finally cracked open the mysterious evolutionary history of one of prehistory's strangest dinosaur groups ...

When you picture an ancient crocodile from millions of years ago, you probably imagine a low-slung, scaly water predator ...

Around 250 million years ago, what is today scorching desert in remote northwestern Australia was the shore of a shallow bay bordering a vast prehistoric ocean. Fossils recovered from this region over ...

Researchers believe these creatures started out on four legs and later began walking on two legs as they grew.

Learn how fossils from Arizona’s Petrified Forest National Park revealed that a Late Triassic crocodile relative may have started life on four legs before walking on two as an adult.

Fossilized dinosaur eggshells may hold the key to determining when surrounding rocks and fossils were buried. A study published in Nature Communications Earth & Environment reports that uranium-lead ...

Forgotten fossils from the Kimberley show how marine amphibians rebounded and spread across the globe after the end-Permian mass extinction.

A nearly complete 90-million-year-old dinosaur fossil from Patagonia, Alnashetri, reveals how alvarezsaurs evolved and shrank over time.

Add Yahoo as a preferred source to see more of our stories on Google. Paul Sereno and his colleagues spent years painstakingly preparing this Edmontosaurus annectens "mummy" unearthed in Wyoming, ...

Researchers have developed a novel application of histological staining to screen for ancient proteins in situ—within the fossil's microstructure—advancing the field of paleoproteomics by addressing ...