A kiss is one of the most universal gestures in the world. It’s a wordless way to show affection that transcends language, ...

The study, which was published on Wednesday in the Journal of the Human Behavior and Evolution Society, found that the very ...

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

If you think about it, kissing is really weird. You press your sensitive, nerve-filled facial muscles against another ...

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

New research suggests that kissing probably predates humanity and evolved between 16.9 million and 21.5 million years ago, after the ancestor of the great apes split from the lesser apes, or gibbons.