Danish historians say evidence of the first mouth-to-mouth smooch can be found on a clay tablet unearthed in the Middle East, the New York Times reported, upending academic theory about which culture ...

A single kiss can leave a lasting impression, whether it's in real life or on the silver screen. But why, exactly?

In the words of Dua Lipa, one kiss is all it took about 21 million years ago. That's roughly when scientists estimate that kissing first emerged in the common ancestor of humans and other great apes.

Humans have been kissing for a long time, according to an article published in the journal Science on Thursday. Researchers studied cuneiform texts from ancient Mesopotamia in an effort to unlock the ...

A Chinese tech inventor who has rolled out a new kissing device that allows monogamous lovers separated by long distance to virtually smooch using silicon lips has internet users divided as many ...