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 ...

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 ...

Rather than claiming animals cry exactly like humans, most researchers examine similarities in behavior, biology, and social interaction. This approach reveals that some species resemble human crying ...

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 ...

When people ask me if cats are smarter than dogs, I always say, “Well, cats do what they have to do to be card-carrying cats, and dogs do what they have to do to be card-carrying dogs.” Sometimes, if ...

Blushing is one of those weird little things the body does that we rarely stop to think about—until we feel our cheeks burning in a room full of people. It usually sneaks up during awkward moments: a ...