Kisses add depth and meaning to our interactions. The peck is a quick, light kiss on the lips or cheek. It's a universal sign of affection, shared between friends, and family, or a gesture of greeting ...

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 ...

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