A viral video of a young gorilla bursting into laughter-like sounds while being gently tickled by a familiar human caretaker ...

Great apes and humans all laugh with a steady, even rhythm, and a new study finds it has barely changed in 15 million years.

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 ...

A burst of contagious laughter feels like the instant release of joy captured right at the threshold of an open studio microphone. The recording layers bright, round vowel tones—“hee,” “ha,” and “ha!” ...

If you tickle a rat's belly, it squeals with laughter. However, we are unable to perceive this laughter as its frequency, around 50 kHz, exceeds the range of human hearing. Neuroscientist Jaak ...

By Will Dunham WASHINGTON, June 29 (Reuters) - There are many kinds of laughter. People may guffaw at a joke. They may giggle ...

A new study from the University of Warwick suggests that the rhythm of human laughter has remained surprisingly consistent for at least 15 million years. By comparing the laughter of humans and other ...

Many cat owners swear their furry friends always know exactly what they are thinking, but a new study suggests that this ...

Laughter is a universally recognizable expression of positive emotion that promotes affiliation and is good for health and relationships. Research shows, for instance, that shared laughter promotes ...