Fewer than 100 of the creatures that make the distinct call survive in the wild.

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 ...

As the snowy remains of winter continue melting away and the late spring sunshine and warmth awaken the buds of the aspen trees and the blooms of wildflowers, the rivers, mountains and forests around ...