A kiss feels electric, emotional, and comforting all at once. But what really happens inside your body when you kiss someone?

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

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Humans are born with instincts for crying and smiling, but not for ...

Is it in his kiss? Oh, yes. Osculation, the scientific term for kissing, in many ways says everything about your compatibility with your mate and the health of your relationship. We asked scientist ...

Katy Perry and former Canadian PM Justin Trudeau were spotted kissing and canoodling on the singer’s yacht over the weekend, ...

Robert Downey Jr. shared his first onscreen kiss with Molly Ringwald in 1987's "The Pick-Up Artist," and he got some direction from Warren Beautty.

“Watch What Happens Live” host Andy Cohen on Wednesday asked the “Kiss Of The Spider Woman” star to reveal which actor she’s ...

In the heart of a woman. Billy Ray Cyrus shared a steamy photo on Wednesday of him kissing girlfriend Elizabeth Hurley, the latest public display of affection in their unexpected romance. The couple ...

Katy Perry and former Canadian Prime Minister Justin Trudeau were photographed kissing and hugging on a yacht off Santa ...

“If there is no profound intimacy, I cannot kiss men during casual sex; they are human vibrators for my sexual release.” —Lilian “My best, most passionate kissing, involving open wet lips and tongues ...

(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 19 th century French author Guy de Maupassant in his ...