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 ...

Emotional tears are a uniquely human behavior. Research suggests they evolved not for eye health but as a powerful social ...

Learn how people across cultures accept animal empathy while viewing human thinking as fundamentally different.

Add Yahoo as a preferred source to see more of our stories on Google. For some mental processes, humans and animals likely follow similar lines of thinking. Catherine Falls Commercial/Moment via Getty ...

Deep in the rainforests of the Democratic Republic of the Congo, Mélissa Berthet found bonobos doing something thought to be uniquely human. How to detect consciousness in people, animals and maybe ...

Animal communication is more than simple signals. Mammals use sounds, expressions, and touch to convey emotions and social ...