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A married pair of researchers have “set the record straight” on the ancient history of smooching. A Babylonian clay tablet of a nude couple embracing on a bed, circa 1800 B.C. According to a new study ...

Kissing is a mystery. Science doesn't entirely understand why people do it. Theories abound, but the puzzle remains largely unsolved. Only two other species kiss, chimpanzees and bonobos. But only the ...

Is it in his kiss? Oh, yes. Osculation, the scientific term for kissing, in many ways says everything about your compatibility with your mate and the health of your relationship. We asked scientist ...