Think of Casablanca, where we see the romance, not the sex, between Ilsa and Rick (aka Ingrid Bergman and Humphrey Bogart). Their final kiss is pure romance, the kind that grabs you in your gut ...

In the Middle East, for example, lip-locking is widely considered to be a sign of romantic love and affection, with 10 out of 10 regional cultures showing evidence of romantic kissing.

Plump lips are seen as sensual and desirable, and many people seek beauty treatment to enhance the look of their mouths. But ...

Most New Yorkers say they prefer a cheek kiss to a full lip smack. “Kissing on the lips is a sign of familiarity which I reserve for my girlfriend,” says Russ Bird, 28, who works in advertising.

The lip-gloss kiss This fun kiss involves one person wearing lip gloss and leaving a print on their partner's lips. It's a playful way to say, "You're mine," often accompanied by laughter and ...

Fog swirls around a Paris train station. Two lovers meet, the world’s holding its breath. He kisses her like it’s both a ...

As long as both parties agree and set parameters, experts say kissing friends is OK – and the decision remains up to the respective parties alone.

It was previously believed the earliest evidence of romantic-sexual lip kissing in humans originated in South Asia 3,500 years ago.

Most of us do it, be it romantic, familial, friendly or formal, but kissing among humans and where and how it originated is still hotly debated among historians and anthropologists. Now a new ...