Hiking through the dense rainforest of Madagascar, scientists heard a series of “otherworldly” sounds. The “somewhat bizarre” calls came from several “cute” creatures living near streams. They turned ...

Researchers have discovered seven new species of tree frogs that make otherworldly calls in the rainforests of Madagascar. Their strange, high-pitched whistling calls sound more like sound effects ...

PORT ST. LUCIE, Fla. — You know them for their bulging eyes, webbed feet and distinctive raspy call. You've probably seen them (or likely heard them) in your backyard. We're talking about the invasive ...