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

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 ...

Scientists suggest that the act of kissing evolved over 21 million years ago, a practice shared by humans and their great ape ...

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 ...

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 ...