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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. While it may seem like pets can understand our emotions at times, ...

The expression “crocodile tears” is often used to describe fake or insincere emotions. Surprisingly, crocodiles do actually produce tears. But unlike humans, whose tears are closely tied to emotions, ...

If you've ever watched a video of a dog being reunited with its owner, you know how much it can pull on the heartstrings. Sometimes the human owners start crying because they're overcome with emotions ...

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 ...