Mock vipers not only look like tree-dwelling vipers but also act like them. Intriguingly, they have a fake ‘fang’ in the front of their mouth, which befools a predator into thinking that they possess ...

WASHINGTON — Scientists in Australia have identified the oldest known fossil footprints of a reptilelike animal, dated to around 350 million years ago. The discovery suggests that after the first ...

A 247-million-year-old tree-dwelling reptile has been identified through the fossils discovered way back in the 1930s. Paleontologists from the State Museum of Natural History Stuttgart, Germany, have ...

Add Yahoo as a preferred source to see more of our stories on Google. This image provided by Prof. Per Erik Ahlberg shows an artist's illustration of the possible appearance of a reptile-like creature ...

Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. Subscribe to read this story ad-free Get unlimited access to ...

This piece first appeared in the Front Matter section of the Proceedings of the National Academy of Sciences. A small but fierce jawbone sits in Argentina’s natural science museum in Buenos Aires. Six ...

A tiny ancient reptile just revealed the moment breathing as we know it began — and it changed life on Earth forever.

Following careful study of a prehistoric skull of a new species unearthed in Madagascar, Azendohsaurus madagaskarensis, it turns out Azendohsaurus is not an early dinosaur as long assumed, but rather ...

The origin of four-limbed animals known as tetrapods was thought to be fairly straightforward: Fish flopped onto land in the Devonian, evolved, and eventually diversified into the reptiles, birds, ...

A remarkably preserved, mummified reptile from 289 million years ago is rewriting what we know about how animals first ...

In a study of fossils, a research team led by evolutionary biologist and Johns Hopkins Medicine assistant professor Matteo Fabbri suggests that a group of giant reptiles alive up to 220 million years ...

Add Yahoo as a preferred source to see more of our stories on Google. A green tree python, also known as Morelia (Chondropython) viridis, coils on a branch inside a glass.. WASHINGTON (Reuters) - ...