Add Yahoo as a preferred source to see more of our stories on Google. Vampire bats have complex social relationships. Samuel Betkowski/Moment via Getty Images You can probably picture a vampire: Pale, ...

Humans are often happy to share food with their friends, but what about animals? Contrary to their reputation, vampire bats are surprisingly social and generous, and a well-fed bat will even ...

Most mammals respond to the demands of exercise in the same way, by breaking down carbohydrates and stored lipids (fats) in their bodies, releasing the energy they need to keep functioning. But every ...

Sometimes when people hang around one another long enough, they begin using the same slang, vocal inflections and pitch. Humans can pick up and mimic the sounds and words of the people around them, ...

While much of the world sleeps, vampire bats emerge from dark caves, mines, tree hollows and abandoned buildings in Mexico and Central and South America. They glide stealthily through the night air as ...