Can you - or should you - kiss your husband's brother on New Year's Eve? If your girlfriend kisses your best friend, is she making a move? Don't start 2008 off on the wrong lips. "Kiss the ones who ...

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 ...

They have the power to heal boo-boos, and the ability to turn a frown upside down and show someone that they are loved. Kisses are magical to kids. So why is there still so much debate about whether ...

Our lips say a lot, from words to kisses, whether the embraces of new lovers, friends greeting one another, or parents saying goodnight to kids. No matter what kind of kiss, passionate or tender, they ...

A kiss on the lips doesn't always mean romantic love. Some kisses can be confusing, entangle emotions, or happen without a formal relationship. When someone kisses you on the lips without being in a ...

Kiss and tell. 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 ...

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