While the first kiss can mark an unofficial start to a new romance, people don’t always talk about how much they kiss their partners once they’re in an established relationship. However, a redditor ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images Learning how to French kiss can be easier said than done. But a little practice makes perfect, and few subjects are ...

The evolutionary purpose of kissing has long eluded scientists. Smooching is risky, given things like pointy teeth, and inherently gross, given an... Why do we kiss? It's an evolutionary conundrum The ...

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 ...