Our ancient primate relatives—including Neanderthals—may have enjoyed a nice peck on the lips. But researchers still don’t ...

Learn more about the diseases Neanderthals endured and how their weakened immune system and encounters with humans made them ...

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.

Why do no two human faces look quite the same? Although we all follow the same biological blueprint, our features—the curve ...

Subtle genomic variations between humans and Neanderthals provide clues to how DNA shapes our facial features.

Neanderthals are usually seen as brutish and primitive, but research now suggests our ancestors kissed often - and even with ...

Humans aren’t the only ones who kiss—monkeys do it, polar bears do it, and now research suggests that the practice may go ...

It's long been believed that the ancestors of today's Indigenous Australians, the Sahul people, first reached the continent ...

Kissing is an ancient trait retained over the course of evolution amongst the large apes, reveal scientists at the University ...

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

Rather than being a recent cultural development, kissing may have been practised by other early humans like Neanderthals and ...

Kissing is something of a mystery, being "only documented in 46 percent of human cultures," noted psychologist Catherine ...