Scientists trace kissing back 21 million years — And yes, Neanderthals did it too!

A new study reveals kissing began in the common ancestor of humans and great apes 21 million years ago, and even Neanderthals ...

Ever wonder why we kiss? The art of smooching could predate humans

"A comparative approach to the evolution of kissing," was published by Evolution and Human Behavior on Nov. 19 ...
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Which animals were the first to lock lips and kiss? Scientists astounded by evidence of ...

They found the act of kissing can be traced all the way back to the last common ancestor of humans and other great apes, ...