In Western cultures, we mark the beginning of romantic entanglement by touching lips. Few actions are as fraught with anxiety and symbolism as that first kiss—and it’s no exaggeration to say that some ...

"First kiss beliefs" include idealized beliefs that your first kiss with a new partner should be a magical, transformative moment, sparking intense emotions within. Idealized romantic expectations ...

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 ...

Kissing is a mystery. Science doesn't entirely understand why people do it. Theories abound, but the puzzle remains largely unsolved. Only two other species kiss, chimpanzees and bonobos. But only the ...

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 romantic kissing not ...

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 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 ...

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 ...