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.

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

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

A myriad of colours that survived millions of years of evolution have disappeared in a short period of time. The culprit? A bright green, aggressive, and sexually dominant wall lizard that has wiped ...

Two new studies into lizard colors reveal how one species maintains its colorful diversity while others are losing their ancient colors. And the changes are being driven by the biological equivalent ...

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.

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

CC0 Usage Conditions ApplyClick for more information. Lizard biologists in the Caribbean have observed a fascinating phenomenon: different lizard species across different islands appear to share ...

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 ...