From a butterfly shaped by 40,000 years of isolation to creatures 1,400 feet below the sea, scientists uncovered thousands of ...

Screaming or yelling is a natural reaction to a threat. One animal you’d likely never expect to hear this from, though, is a frog, which is more often associated with croaking. This is why rain frogs ...

A wild encounter with a frog that’s louder than you'd ever expect.