Kissing represents far more than a simple expression of affection—it serves as a powerful catalyst for emotional and physical bonding between partners. This intimate act, practiced across cultures for ...

Kissing often gets treated like a small part of romance, but psychology suggests it can carry more weight than people think. It is not just a habit couples fall into. It can play a role in attachment, ...

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 ...

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

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 ...

Some papers suggest romantic kissing began about 3,500 years ago. But a new review in the journal Science shows it was mentioned in much older clay tablets, from an area that's now modern-day Iraq.

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 ...