How can we compare human and machine intelligence when we can’t decide which species – cats or dogs — is more intelligent?

A new study has the clearest evidence yet that territorial expansion after lethal conflict can directly boost reproductive ...

Analyses of fossils and ancient genomics reveal how early human populations bred less wolf-like companions, and might have ...

The San Francisco Zoo announced Thursday it will say goodbye to its three remaining chimpanzees as it temporarily shutters ...

Chimpanzees are capable of making rational decisions, much like humans, and can critically assess the quality of evidence when faced with choices, a new study suggests. Published in the journal ...

Researchers studying animal behaviour say mouth-to-mouth kissing likely appeared in the common ancestor of humans and great apes more than 21 million years ago.

Humans spend a lot more time kissing than they do thinking about why they kiss. But scientists intrigued by this question say ...

MANHATTAN, Kan. (WIBW) - Manhattan’s Sunset Zoo is mourning the loss of Susie, the oldest female Chimpanzee in human care. According to Sunset Zoo, Susie, the Western Chimpanzee, had been under close ...

WARNING: Graphic and distressing content. St. James Davis was savagely attacked by two chimps at the animal sanctuary where ...

The Jane I was fortunate enough to get to know was gentle, curious, funny, witty and absolutely unstoppable,” DiCaprio said ...

For decades, anthropologists have wondered whether kissing is an evolutionary thing or a unique cultural quirk we humans ...