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 ...

A new study that examines how kissing evolved suggests that ape ancestors and early humans like Neanderthals probably locked lips with their friends and sexual partners. The behavior may date back 21 ...

In A Nutshell Statistical modeling based on living primates suggests an 84% probability that Neanderthals engaged in kissing behavior, challenging outdated stereotypes. Modern humans and Neanderthals ...

The study defined kissing, in part, as “oral-oral contact with some movement of the lips/mouthparts and no food transfer” Brian Anthony Hernandez, who has nearly 20 years of journalism experience, ...

When my 3-year-old is in a good mood, she asks for a “true love kiss.” She first heard the phrase during a family viewing of Shrek, but it has since become her signal that she is craving affection.

I spent Christmas with my daughter and son-in-law, and their seven-year-old daughter. During that time I noticed that my grandchild and her dad hugged and kissed a lot, much more than you would expect ...

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 ...