Add Yahoo as a preferred source to see more of our stories on Google. A male hourglass tree frog (Dendropsophus ebraccatus) with an inflated vocal sac used to produce calls. Your taste in music may ...

Plants and animals have evolved all sorts of ways to make themselves more appealing to potential mates—including colorful feet, flamboyant feathers, complex mating dances and sexual deception. Many ...

In the movie Hoppers, scientists “hop” human consciousness into animal-like robots to talk to other species. We asked the experts their thoughts on how conceivable the plot is. Some scientists believe ...

The bright colors of butterfly wings, the sweet aromas of flowers, and the euphonious melodies of songbirds all evolved as signals that help individuals propagate, yet humans also find these very same ...