Laughing is something most people do every day, but chances are we don’t really understand why we do it. "Laughter is one of a series of in-born human behaviors, along with things like coughing and ...

A cackle and a giggle can mean different things. Scientists say there are two types of laughter: the kind that comes from pure glee, and the kind that's meant to send a social message. New research ...

For many years, psychologists and behavioral biologists agreed that laughter was a unique emotional expression found only in humans. However, as the study of animal emotions expanded this idea was ...

For many years psychologists and behavioral biologists agreed that laughter was a unique emotional expression found only in humans. However, as the study of animal emotions expanded this idea was ...

Recent research has revealed that animals like dogs, rats, and chimpanzees might exhibit traits similar to human laughter. Patricia Simonet discovered a unique sound in dogs during play, while Jaak ...

A Michigan woman's pet fox has the uncanny ability to mimic human laughter. Kristina Shafer of Battle Creek posted video of Archer, her four-year-old fox, who lets out a hearty guffaw when her ...