A tiny skull found on a beach in Devon has rewritten the early history of lizards, snakes and the tuatara, the last survivor ...

Researchers report the discovery of the oldest known lizard ancestor in England, a tiny Triassic reptile with oversized teeth.

A 242-million-year-old reptile fossil discovered in Devon redefines the early history of lizards, snakes and tuatara. This new species is the earliest known lepidosaur.

An extinct species known as Agriodontosaurus helsbypetrae has revealed new twists in the tale of lizards and their relatives.

The colorful, venomous and mysterious Gila monster flourishes in the scorching Desert Southwest, but climate change threatens ...

A 242-million-year-old fossil found on a beach in Devon, England, is changing what we know about lizard evolution. A new study, published in Nature, details how this ancient reptile is giving ...

Researchers expected early lepidosaurs to show key lizard features. These include a hinged skull, an open lower temporal bar, ...

Evolution doesn’t hand out return tickets—and for dolphins and orcas, that’s now more than a metaphor. Once mammals commit ...

The fossil was dated to the Triassic period, between 252 and 201 million years ago. This specific fossil is about 241 million years old, making it 3 to 7 million years older than any lepidosaur found ...

Learn more about the biological mechanism behind the tongue movement of chameleons and salamanders, which could contribute to ...

Similarly, cats hiss by pushing air out of a restricted airway (much the same way humans do when mimicking a hiss), and geese ...

A female casque-headed iguana produced live hatchlings even though she has never shared an enclosure with a male ...