Germán Chávez is no stranger to the Amazon rain forest, where he says "one can't help but get excited" by all the reptiles and amphibians that he has made a career out of studying. But when he came ...

A tiny frog has been hiding a flashy secret. Researchers have discovered that an amphibian from the Amazon is the world’s first known fluorescent frog. Glowing an ethereal green when positioned under ...

Scientists have discovered a new species of tree frog in an unusual place—a stretch of abandoned highway in Brazil. When herpetologists first heard male frogs calling in the Amazon rain forest, they ...