Lip kissing is an act that’s so natural and common in many present-day societies it is easily taken for granted. But it’s not actually clear whether people have always been kissing, or whether its ...

A kiss is one of the most universal gestures in the world. It’s a wordless way to show affection that transcends language, culture, and even species boundaries, conveying a great deal of meaning ...

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, for all popularity, is a bit of a mystery. Scientists have long debated when humans’ ancestors first put their lips together, and whether the act is simply a cultural trait. A new study ...

Kissing ignites a powerful biological response, releasing hormones like oxytocin and dopamine that foster connection and pleasure. Beyond romance, it reduces stress by lowering cortisol and can even ...

A kiss is more than just a physical act – it’s a powerful way to express emotions, from love and passion to friendship and respect. Contents1. Top-Of-The-Head Kiss2. The Forehead Kiss3. The Cheek ...

Learning how to French kiss can be easier said than done. But a little practice makes perfect, and few subjects are as fun to study. Because it’s true what they say: a truly amazing, off the wall, ...

Is it in his kiss? Oh, yes. Osculation, the scientific term for kissing, in many ways says everything about your compatibility with your mate and the health of your relationship. We asked scientist ...

A kiss feels electric, emotional, and comforting all at once. But what really happens inside your body when you kiss someone? According to a 2021 study published in Archives of Sexual Behavior, ...