Long before snakes glided silently across the forest floor, their ancestors were agile lizards, scurrying on four legs. Fossil records tell us that lizards first appeared over 200 million years ...

Yale University ecologists reveal a lizard lineage that rode out the dinosaur-killing asteroid event with unexpected ...

Researchers found that night lizards survived the dinosaur-killing asteroid strike at the end of the Cretaceous, despite ...

How did lizards and other squamates evolve? With around 11,000 known species, squamates are the most diverse terrestrial vertebrates living today, but their evolution has been shrouded in mystery.

Lizards evolved from a group of reptiles called lepidosaurs, while dinosaurs evolved from archosaurs. Essentially, dinosaurs ...

Lizard-eating corn snakes are also out hunting, trying to find the anoles before we do. As we wrap up another 16-hour day at about 11:30 p.m., the team shares stories of the night. Evolution on ...

A key to lizard evolution was buried in a museum cupboard for 70 years. The sharp-toothed specimen could show the much-earlier origins of the modern lizard. By Laura Baisas.

Here’s everything you need to know about the animal classification of birds and evolution. Are birds reptiles? Yes and no: It depends on how you classify animals.

Invasive lizards are facing off in South Florida, and scientists are pulling up a front-row seat to get a better idea of how quickly adaptation and evolution can actually happen.

“Scuba-diving” lizard evolved bubble-breathing trick to dodge predators New research illuminates the crafty behavior of Anolis aquaticus, a lizard that doesn't mind it wet ...

Charles Darwin thought evolution happened very slowly, but South Florida’s anole species are proving that change can happen much quicker than science had previously known.

Southern California’s alligator lizards eat the arachnids with abandon, and seem to have evolved immunity to their toxins. The western black widow spider (Latrodectus hesperus) may spin a ...