For nearly two centuries, a small brown frog living in Southeast Asian rainforests was considered a single, well-understood species. It had a name. It had a place in the textbooks. Case closed. Then ...

This newly discovered poison frog may represent an evolutionary step on the pathway towards developing brilliant warning coloration associated with other poison dart frogs. A small reddish-brown frog ...

Picture a fog-wrapped tabletop mountain rising from the jungle on the border of Guyana and Brazil. A researcher scrambles up in the dark, torch cutting through the mist, and freezes. Clinging to a ...

In general, frogs' teeth aren't anything to write home about—they look like pointy little pinpricks lining the upper jaw. But one group of stream-dwelling frogs in Southeast Asia has a strange ...

Add Yahoo as a preferred source to see more of our stories on Google. For nearly two centuries, a small brown frog living in Southeast Asian rainforests was considered a single, well-understood ...