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

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 — ...

In this 4.4-million-year-old skeleton, scientists may have found the missing step between climbing and walking.

Words vanish the instant they’re spoken, and no skeleton can tell us when our ancestors first started talking. So how can ...

Great apes may have been laughing with a similar rhythm to modern humans for at least 15 million years, a University 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 fact, when they were tickled, laughter from both apes and humans was isochronous, meaning that the laughs followed a ...

Laughter feels deeply human. It appears in conversations, family gatherings, awkward moments and bursts of joy.

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. How ...

Mongrel models and seductive scenarios of human evolution -- Terminology, morphology, genes, and lots of fossils : Apes in space ; Apes in time ; Taproot and branches of our family tree -- Positional ...