You hug your friend. You kiss your friend on the cheek. You plop a big, wet kiss on your friend's mouth. Wait, what was that last one? Kissing one's friends isn't as uncommon as you might think. Many ...

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 ...

News flash: Brushing your lips against the lips of someone you find attractive is super fun. The blood-pumping anticipation that precedes a makeout session is chock-full of nerves and giddiness. But ...

Kissing-like behaviors exist across the animal kingdom. But why? A scientist explains why humans are so drawn to each other's lips, and a photographer documents the power of a kiss. Among the many ...

I am happily married to my husband of 16 years. I have known my in-laws since high school and they are lovely, kind people. In the past five to six years, my father-in-law has started adding a kiss ...