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 ...

BLOOMINGTON, Ind. -- For generations, passionate kisses immortalized in movies, songs and the arts have served as a thermometer of romantic affection. But current research has found that not only is ...

A kiss on the lips carries a lot of emotional weight. It's not just a physical gesture: it represents intimacy, desire, connection, and commitment. So, when a guy avoids this kind of contact, ...

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

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 ...

Researchers are revealing hidden complexities behind the simple act of kissing, which relays powerful messages to your brain, body and partner When passion takes a grip, a kiss locks two humans ...

New research into Ancient Mesopotamia suggests people kissed romantically 4,500 years ago. The finding would mean humans began kissing 1,000 years earlier than previously thought. The article ...

In the Western world, Valentine’s Day expressions of affection are closely linked to mouth-to-mouth kisses. I remember feeling envious years ago when a colleague found a card in his pigeon-hole ...