New research suggests that kissing probably predates humanity and evolved between 16.9 million and 21.5 million years ago, after the ancestor of the great apes split from the lesser apes, or gibbons.

Scientists trace the origins of human kissing back over 20 million years to ancient apes who first showed gentle ...

Key Takeaways Kissing may date back 21.5 million years in early ape ancestorsResearchers studied modern primates to estimate ...

Scientists have traced kissing back to early primates, suggesting it began long before humans evolved. Their analysis points ...

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

The result was striking. Kissing almost certainly existed in the ancestor of today’s large apes, which lived somewhere ...

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