A new study that examines how kissing evolved suggests that ape ancestors and early humans like Neanderthals probably locked ...

A new study looks at how the mouth-on-mouth smooch came into being, and concludes that Neanderthals also kissed.

Rather than being a recent cultural development, kissing may have been practised by other early humans like Neanderthals and our ape ancestors ...

Kissing did not begin with star-crossed human lovers but with the primate ancestors of great apes around 20 million years ago ...

We used this definition to trawl published scientific papers, searching for observations of kissing in the group of monkeys ...

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.

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 ...