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

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The extremely rare Indian purple frog doesn’t really look ...

Kerim Cicek receives funding from TUBITAK (The Scientific and Technological Research Council of Turkey) and EBILTEM (Ege University Science and Technology Centre). C. Can Bilgin and H. Resit Akcakaya ...

Frogs and toads make up the largest group of amphibians. Species in this order, called Anura, substantially outnumber those in the two other living orders of amphibians — Caudata (salamanders) and ...

ALTOS DE CAMPANA NATIONAL PARK, Panama — Brian Gratwicke’s lunch box was full of frogs. Kneeling on the muddy rainforest floor, the biologist opened his red Coleman cooler and scooped one up. It was a ...

Curitiba, Brazil used to be forests, wetlands, fields and streams before it was developed over the last half-century. Gilberto Jacob via Unsplash As new species are discovered around the world, others ...

The Glass Frog (Centrolenella colymbiphyllum) has skin so translucent that you can watch its heart beating. Carl C. Hansen, Smithsonian Institution When I started working on this frog blog post ...