Although passionate kissing often enhances sexual excitement, some people avoid it due to aesthetic concerns or a desire to ...

Kissing feels instinctive and intimate, yet scientists now argue it is a surprisingly recent and uneven addition to human behavior. Instead of a single romantic origin story, the evidence points to a ...

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 ...

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

Babylonian clay model showing a nude couple on a couch engaged in sex and kissing from 1800 BC.Trustees of the British Museum/University of Copenhagen New research into Ancient Mesopotamia suggests ...

Kiss Day is one of the most romantic days of Valentine’s Week. Celebrated every year on February 13, this day is all about expressing love, care, and deep emotions through a sweet kiss. A kiss can say ...