TikTok user @my.lil.fluffs is out to set that record straight, showing how affectionate their fluff baby can be in a recent ...

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 ...

Scientists trace the origins of human kissing back over 20 million years to ancient apes who first showed gentle ...

"A comparative approach to the evolution of kissing," was published by Evolution and Human Behavior on Nov. 19 ...

Humans do it, monkeys do it, even polar bears do it. And now researchers have reconstructed the evolutionary origins of kissing. Their study suggests that the mouth-on-mouth kiss evolved more than 21 ...

Humanity's first kiss dates back 21 million years and our ape ancestors may have locked lips with Neanderthals, a study has found. Although it was known that Homo sapiens and Neanderthals interbred, ...