Bonobo male Kikongo making 'happy' grin faces at the Lola ya Bonobo Sanctuary, Democratic Republic of Congo, October 2010 ...

Great apes may have been laughing with a similar rhythm to modern humans for at least 15 million years, a University of ...

There are many kinds of laughter. People may guffaw at a joke. They may giggle nervously in an uncomfortable situation. They may chuckle with ​mild amusement. They may snicker to express contempt — ...

APES laugh just like humans and have done so for more than 15million years, say scientists. They found the rhythm of ...

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

In a study of great apes' playful antics, chimpanzees seemed to enjoy slapping adults, especially those that were dozing off. foshie via Flickr under CC BY 2.0 DEED Teasing, poking and ...

A series of hide-and-seek experiments with a bonobo named Kanzi shows for the first time that apes can mentally keep track of multiple familiar humans at once, even when they are out of sight. Kanzi ...

Discover how tickling apes and recording their bursts of laughter revealed a similar pattern to how humans laugh, while ...

Experts have discovered that apes, including gorillas and chimpanzees, laugh in ways that are surprisingly similar to humans.

Apes recognize photos of groupmates they haven't seen for more than 25 years and respond even more enthusiastically to pictures of their friends, a new study finds. The work, which demonstrates the ...