Learn how fossils from Arizona’s Petrified Forest National Park revealed that a Late Triassic crocodile relative may have ...

Fossils reveal a small ancient reptile related to crocodiles, Sonselasuchus cedrus, that may have switched from four legs to two as it grew.

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

A study published in the Journal of Systematic Palaeontology describes the smallest rhynchosaur fossil ever recorded from the ...

Add Yahoo as a preferred source to see more of our stories on Google. Paleontologists associated with different institutions in Argentina, along with a scientist from the U.K., have identified specks ...

Newly discovered species of extinct fish shows striking similarities to unrelated modern-day predators, suggesting certain traits have emerged multiple times and remained consistent over hundreds of ...

Two centuries ago, this area teemed with workmen busying building Liverpool; more than 200m years ago very different creatures roamed here ...

Scientists have unearthed a "peculiar" ancient crocodile that walked on two legs – after beginning its life on four. Named Sonselasuchus cedrus, the creature roamed the Earth during the Late Triassic ...

The best jaw for hunting fast fish is long and full of sharp teeth. This makes sense to us, but it also makes sense in nature: New fossil evidence from Virginia Tech geoscientists revealed that ...