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 ...

Kissing, for all popularity, is a bit of a mystery. Scientists have long debated when humans’ ancestors first put their lips together, and whether the act is simply a cultural trait. A new study ...

(CNN) — “The meeting of lips is the most perfect, the most divine sensation given to human beings, the supreme limit of happiness.” So wrote the 19th century French author Guy de Maupassant in his ...

Jeff Bezos and Lauren Sánchez shared a romantic kiss on their way to their star-studded wedding welcome party in Venice, Italy. Photographers snapped the couple smooching on the lips while aboard a ...

Is there anything that feels quite as satisfying as that moment when those TV characters you love finally (finally!) kiss? One of the great joys of watching TV is getting invested in the love lives of ...

A Babylonian clay model dated to 1800 B.C.E. shows a nude couple on a couch engaged in sex and kissing. The Trustees of the British Museum “My upper lip becomes moist, while my lower lip trembles! I ...

Wednesday July 6 marks International Kissing Day, when you give your nearest and dearest some lip-based affection. International Kissing Day started back in the U.K. two decades ago, though different ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. “The meeting of ...