Scientists have unearthed the remains of a gigantic, 200 million-year-old sea monster that may be the largest marine reptile ever discovered. The newfound creature is a member of a group called ...

Scientists have described a new species of procolophonid reptile, notable for its unique teeth and jaw, found at a fossil hotspot in southern England. The former quarry in Cromhall, South ...

Long before dinosaurs became dominant, Earth was ruled by an unsettling cast of reptiles that reshaped life after the ...

Some 240 million years ago, a storm rolled over the tropical edge of the supercontinent of Pangaea and battered the coastal islands. Rain lashed forests of horsetails and ferns, sweeping plants and ...

Museum fossils in England reveal 200-million-year-old coelacanths, fish that swam alongside the first dinosaurs ...

Scientists have discovered a new lizard-like species that lurked in shallow water to pick off its prey -- with the help of a short, flat tail used as a float. Scientists have discovered a new ...

Learn about large extinct “fish lizards” known as ichthyosaurs with this excerpt from “Ancient Sea Reptiles.” Darren Naish Ichthyosaurs like this Jurassic Ophthalmosaurus had slender jaws and enormous ...

Paleontologists have found a fossilized pterosaur precursor with gnarly, scimitar-like claws and a beak, indicating that the reptilian group it belongs to was more diverse than previously thought. The ...

Had a volcano-driven mass extinction not occurred at the end of the Triassic 201 million years ago, we likely would have had something closer to an Age of Crocodiles than the Age of Dinosaurs that ...

Lizards are ancient creatures. They were around before the dinosaurs and persisted long after dinosaurs went extinct. We’ve now found they are 35 million years older than we thought they were.

Like the rest of the West Coast, far Northern California was under water when early dinosaurs roamed North America. That doesn’t mean what would become Shasta County didn’t have its own amazing ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American The Triassic doesn't get enough credit. Truly ...