The oldest known lizard has reclaimed its crown clade. A contentious fossil has been re-analyzed by paleobiologists and declared the earliest known member of the lizard-snake group. The critter at the ...

Some lizards have evolved to be resistant to the venom of snakes, entering into a sort of evolutionary arms race with their limbless cousins. A family of lizards known as varanids has evolved ...

Every morning in Miami, our fieldwork begins the same way. Fresh Cuban coffee and pastelitos—delicious Latin American pastries—fuel our team for another day of evolutionary detective work. Here we're ...

A diverse group of lizards known as the social skinks is helping scientists answer questions about some of the fundamental workings of evolution. Skinks are a large group of lizards that typically ...