Humans appear to be the only species clearly proven to shed tears specifically because of emotions. Elephants, primates, and dogs show behaviors and biological responses that come closest to human ...

A creature that is part human, part animal; this sounds like something out of a mythological sci-fi, or a blatant hoax. But thanks to some genius scientists, a creature like this is now a reality.

Some say the oldest known human settlement is Uruk, in modern-day Iraq. Others say Jericho, in Palestine. Wherever it is, it must be the place where synurbization—the process of wildlife adapting to ...

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 ...

Crying is one of the most recognizable human emotional signals. Tears appear when people experience grief, relief, joy, or deep stress. Because this response is so familiar, observers often assume ...