Kissing is more than just "mouth-to-mouth" touching, and the study doesn't really shed much light on why humans kiss the way ...

Researchers trace the origins of the first kiss to early primates 20 million years ago, revealing the deep roots of human ...

A new study that examines how kissing evolved suggests that ape ancestors and early humans like Neanderthals probably locked lips with their friends and sexual partners. The behavior may date back 21 ...

A new study released on Wednesday found that humanity's first kiss occurred roughly 21 million years ago, predating humans.

The first kiss in history probably took place over 16.9 million years ago — long before humans even existed, a new study suggests.

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

AMSTERDAM — Kissing did not begin with star-crossed human lovers but with the primate ancestors of great apes around 20 ...

Smooching might be a familiar behavior, but it's more mysterious than you would probably imagine. While kissing might feel ...

Kissing did not begin with star-crossed human lovers but with the primate ancestors of great apes around 20 million years ago ...

A new study led by the University of Oxford has found evidence that kissing evolved in the common ancestor of humans and ...

Recent research has shattered previous assumptions about primate social complexity, revealing that chimpanzees and bonobos ...

Our results paint early apes in an amorous light, showing that the ancestors of large apes were kissing each other as far back as 21.5 – 16.9 million years ago. Clearly, they were onto a good thing ...