Three near-identical U.S. lizards have kept their identities for millions of years in a way that researchers compare to the game Rock-Paper-Scissors.

Biologists have long regarded the bony plates found in some lizards as an ancient legacy, passed down and occasionally lost.

Kinsey Brock is hunting lizards. In a desert garden at San Diego State University (SDSU), she carries a long stick with a string lasso at one end to try to snare one. Finally, she does. It’s a male.

Our bones did not begin deep inside the body. They started in the skin, not long after the first complex animals took shape.

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Evolution is a long, slow and continuous experiment where ...

In parts of Italy, Mediterranean wall lizards are starting to look surprisingly alike. Scientists from the University of ...

WASHINGTON (Reuters) - A group of lizards inhabiting the island of New Guinea boasts one of the most exotic traits of any animal: green blood. And scientists have been trying hard to figure out what ...