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

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

In the words of Dua Lipa, one kiss is all it took about 21 million years ago. That's roughly when scientists estimate that ...

"A comparative approach to the evolution of kissing," was published by Evolution and Human Behavior on Nov. 19 ...

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

Kissing ignites a powerful biological response, releasing hormones like oxytocin and dopamine that foster connection and pleasure. Beyond romance, it reduces stress by lowering cortisol and can even ...

A kiss between two people can make for an unforgettable TV moment, and this is especially true if it turns out to be ...

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 ...

When my 3-year-old is in a good mood, she asks for a “true love kiss.” She first heard the phrase during a family viewing of Shrek, but it has since become her signal that she is craving affection.