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 ...

The act of kissing may have started long before modern humans existed, a new modeling study suggests. Kissing stretches back roughly 21 million years, to the shared ancestor of humans and other large ...

For humans, kissing holds major cultural cachet, accompanying confessions of romantic love, religious rituals of reverence and even betrayals, à la The Godfather Part II’s “kiss of death.” New ...

Kissing occurred around 21.5 to 16.9 million years ago, the researchers said. Stories have long been swapped on awkward first kisses and princesses smooching frogs, but a new study suggests the ...

Early humans like Neanderthals probably kissed, and our ape ancestors could have done so as far back as 21 million years ago. There is wide debate over when humans began kissing romantically. Ancient ...

And humans are far from the only species locking lips. By Ali Watkins The act has been called many things: Centrifugal motion. Perpetual bliss. The thrill of the moment. Unstoppable. In technical ...

Scientists have traced kissing back to early primates, suggesting it began long before humans evolved. Their analysis points to great apes and even Neanderthals sharing forms of kissing millions of ...

It seems that kissing is an age-old practice, spanning back 21 million years. This is the finding of University of Oxford and Florida Institute of Technology (FIT) researchers who have unearthed ...

Kissing costars is just another day at the office for Blake Lively. From minty-fresh makeouts to her real-life husband's review of their on-screen smooch, here's what's been said about Lively's kisses ...