In English, we have a few different ways to write the sound of a kiss: muah, smack, xxx. They get the idea across, but none of them imitate the actual sound of a kiss. Other languages have the same ...

Lip-on-lip kissing is not nearly as universal as we might think it is, so can the diverse number of ways that humans kiss reveal what it is about this intimate act that we find important? Less than ...

Kissing-like behaviors exist across the animal kingdom. But why? A scientist explains why humans are so drawn to each other's lips, and a photographer documents the power of a kiss. Among the many ...

Our lips say a lot, from words to kisses, whether the embraces of new lovers, friends greeting one another, or parents saying goodnight to kids. No matter what kind of kiss, passionate or tender, they ...

Research also suggests that intimacy between parents and children – hugging, tickling or kissing a child – has a positive effect on the child's development. Whether it is appropriate for you to kiss ...