Lizards can't breathe underwater — or can they? Footage of a river anole that was recently filmed in Costa Rica revealed that the species — Anolis oxylophus — possesses a highly unusual ability. The ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In a Costa Rican ...

When it comes to studying lungs, humans take up all the air, but it turns out scientists have a lot to learn from lizards. A new study from Princeton University shows how the brown anole lizard solves ...

The creature is small, somewhat furtive and green. Sometimes it’s brown. It has a voracious appetite for insects and spiders but is completely harmless to people. It clings to walls and screens and ...