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 ...

The rhythmic patterns of laughter found in apes and humans reveal that complex primate vocal control might have started ...

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

For decades, scientists have been studying the cognition of great apes to understand how our own complex cognitive abilities evolved. Much of the research is based on the idea that if a particular ...

Humans and great apes have been giggling in similar ways since branching off the evolutionary tree, a new study suggests.

A new study suggests humans and great apes have been giggling in similar ways dating back 15 million years. Many other ...