A new study showed that laughter is a better indicator in determining friendships than even speech. Volunteers were able to pinpoint groups of friends versus strangers by listening to their laughter.

Laughter is an everyday reminder that we humans are animals. In fact, when recorded laughter is slowed down, listeners can’t tell whether the sound is from a person or an animal. We throw our heads ...

Spotted hyenas, the social, carnivorous creatures often referred to as "laughing hyenas," live across Africa and east to India. Their laughing sound, however, "has nothing to do with hyenas having a ...

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 ...

Humans may be the only species that appreciates jokes, but we inherited the response—laughter—from our closest relatives. Meet researchers who are tickling baby chimps, bonobos, and gorillas to record ...

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 ...

The Justice Department is prosecuting a woman who laughed during a Senate hearing to confirm Jeff Sessions as attorney general. I can sympathize with her somewhat absurd plight, because I was once ...

“Man is distinguished from all other creatures by his faculty of laughter,” wrote the English essayist Joseph Addison in 1712. Modern science has a different take – up to a point. We’re pretty sure ...

Kookaburras are birds known for their interesting call, and I love listening to them. Tanganyika Wildlife Park caught their kookaburra laughing earlier this month, and it's the best sound you'll hear ...