New research moves back the moment of the radiation of squamates -- the group of reptiles that includes lizards, snakes and worm lizards -- to the Jurassic, a long time before current estimates. New ...

A newly discovered monstersaur roamed beneath the feet of giant dinosaurs. Paleontologists have described the new species as a giant Gila monster-like reptile, and bestowed on it a name fit for ...

A raccoon-sized armored lizard has been identified through the fossilized remains found in Southern Utah. The discovery reveals a surprising diversity of large reptiles thriving right alongside the ...

When paleontologists only have so many clues to infer a fossil’s original form, it’s all too easy to make honest mistakes.

Today's living night lizards—like Xantusia vigilis (pictured)—are descendants of a common ancestor that lived roughly 90 million years ago, well before the Chicxulub asteroid struck Earth 66 million ...

The amber-encased fossil was touted as the smallest fossil dinosaur ever found. Known from little more than a peculiar skull, and described early in 2020, Oculudentavis khaungraae was presented as a ...