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 ...

Along a river in Costa Rica, small creatures dive into the water to escape predators and use bubbles to breathe, researchers said. Lindsey Swierk For an animal not much larger than a pencil, there ...

Almost every animal in the rainforest enjoys snacking on water anoles, but slippery skin and an ability to carry an air bubble underwater help them survive. By Sara Novak Water anoles, semiaquatic ...

Researchers collected images of lizards with missing limbs from experts around the world. Pictured here: an American green anole. Tony Gamble Jonathan Losos, a lizard biologist at Washington ...

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 ...