A new study has revealed that the first kiss was shared over 21.5 million years ago. And it’s not just humans who love a ...

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

Romantic kissing likely evolved for the first time in a common ancestor of humans and other large apes about 21 million years ...

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

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

If you think about it, kissing is really weird. You press your sensitive, nerve-filled facial muscles against another ...