When did kissing evolve and did humans and Neanderthals get off with each other? New research

If I asked you to imagine your dream snog, chances are it wouldn’t be with a Neanderthal; burly and hirsute as they may be.
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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 ...

First kiss dates back 21 million years, say scientists

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