It’s the strongest evidence yet that we share the planet with another rational being,” said Duke University evolutionary ...

For something so admired, so synonymous with merit, the concept of intelligence is remarkably poorly understood. Our society operates on the assumption that people with greater intelligence deserve ...

New research suggests the first kiss occurred 16.9-21.5 million years ago between ape ancestors in Africa. Scientists ...

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.

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

In a groundbreaking study by Oxford University, researchers have traced the origins of kissing back to our shared ancestors with great apes, revealing that this intimate behavior dates back ...

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

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

It is not a recent cultural development. A new study in Evolution and Human Behavior suggests kissing may date back 21 ...

A study led by Oxford University argues that kissing evolved in the common ancestors of humans and apes, and that our extinct ...

The global search for the most intelligent animals has become one of science’s most captivating pursuits. From jungles to ...

A new study looks at how the mouth-on-mouth smooch came into being, and concludes that Neanderthals also kissed.