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

Snogging. Smooching. Canoodling. While such kissing is often depicted as a universal behavior in sexual encounters and romantic relationships around the world, a growing body of anthropological and ...

The modern world has gained sexual freedom and lost romance. What a lousy deal! And the kiss, once the shiniest coin in the realm of romance, has lost its luster. Whose fault is it? Well, it’s Leonard ...

How can you make your intimate relationship more satisfying? Learn about 20 behaviors that can help enhance relationship and ...

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

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

Researchers have delved into the ancient past to discover when romantic kissing likely originated and the pathogens, such as the herpes simplex virus, that have followed the practice from then until ...

Kissing is not a universal expression of romantic love, it turns out. Kissing is considered a sign of sexual attraction in less than half of the world's societies, according to a recent study. The ...

Kissing is a mystery. Science doesn't entirely understand why people do it. Theories abound, but the puzzle remains largely unsolved. Only two other species kiss, chimpanzees and bonobos. But only the ...

I’m going to start by admitting something: I have put my tongue in more than one other person’s mouth in order to experience erotic pleasure. I have also allowed more than one person to put his tongue ...

There is something about our first romantic kiss that long lingers in mind when so many other memories fade. Former NBC news anchor and author Tom Brokaw once described why, perhaps recalling his own, ...