The sound of laughter may make you smile and laugh, British researchers report. "It seems that it's absolutely true that 'laugh and the whole world laughs with you,'" Sophie Scott, Ph.D., says in a ...

When you laugh, the whole world laughs with you -- as long as your sentiment is genuine, your vocal chords are engaged, and your mouth is open. A new study found that people experienced the most ...

People across cultures are largely able to tell the difference between a fake laugh and a real one, according to a new study. Across all societies, listeners were able to tell better than chance ...

Some laughs warm the cockles of one’s heart, while others scare with their sinister tones. More than 95% of conversations contain laughter. People laugh for various reasons: to express amusement, ...

A well-deployed laugh can help grease a social interaction, even if nothing is funny. Catherine Falls Commercial/Moment via Getty Images Laughter is an everyday reminder that we humans are animals. In ...

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.

There are some sounds that stay with you, rattling around in your brain until they become part of your sonic memory. See enough movies, and certain sound effects will hold this honor—like the Wilhelm ...

A new study in the journal Bioacoustics found that 65 different species of animals have their own form of laughter. Study co-author Sasha Winkler describes the sounds animals make during play.