Intimate kissing (think lip-to-lip contact between two individuals in a sexual context) is typically the first partnered sexual behavior you experience. It's also the most common and the most frequent ...

The big moment. It's the end of the evening, and you've had a great time together. Now it's time for the big kiss. So what do you do? How do you do it? If you’ve kissed someone before then you ...

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 ...

Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. There is something about a good kiss that can stick with you, that can give you ...