Our ancient primate relatives—including Neanderthals—may have enjoyed a nice peck on the lips. But researchers still don’t ...

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

A new study released on Wednesday found that humanity's first kiss occurred roughly 21 million years ago, predating humans.

Or, as her majesty Faith Hill might say, “This kiss.” And, it turns out, it’s also really old. British scientists say they’ve ...

Lip-on-lip kissing is not nearly as universal as we might think it is, so can the diverse number of ways that humans kiss reveal what it is about this intimate act that we find important? Less than ...

It’s an ongoing debate in the parenting world that doesn’t seem to have a simple answer: should parents (and adults in general) kiss children on the lips? Earlier this month, soccer star David Beckham ...