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. (Ryan Taylor) Your taste ...

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 ...

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 ...