Live Science

Kissing goes back 21 million years, to the common ancestor of humans and other large apes, study finds

Kissing stretches back roughly 21 million years, to the shared ancestor of humans and other large apes, according to the ...

A new analysis suggests kissing on the lips may have evolved 21 million years ago

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 ...

21-million-year-old smooch: The very first kiss occurred before humans, study says

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

First kiss dates back 21 million years, say scientists

Humans do it, monkeys do it, even polar bears do it. And now researchers have reconstructed the evolutionary origins of ...

Kissing Has Existed for at Least 16 Million Years, Scientists Say

Or, as her majesty Faith Hill might say, “This kiss.” And, it turns out, it’s also really old. British scientists say they’ve ...

When was the first kiss? Over 17 million years ago, a study suggests.

Evolutionary biologists don’t know why we kiss — but new research suggests kissing evolved long before humans existed.

Smooching through the ages: First kiss was 20 million years ago by early primates, scientists say

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