Fluorescent colors are very popular and are widely used for many unique things. To date, this glow-in-the-dark pigment has been seen to be naturally occurring in many plants and animals, except for ...

DNA testing of two new-to-science frog species has shown they share a common ancestor — a species that lived 55 million years ago in the mountains of what is today Brazil’s Amazonas state. The ...

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 ...