Our ancient primate relatives—including Neanderthals—may have enjoyed a nice peck on the lips. But researchers still don’t ...

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

They found the act of kissing can be traced all the way back to the last common ancestor of humans and other great apes, ...

Scientists have traced kissing back to early primates, suggesting it began long before humans evolved. Their analysis points ...

Scientists from Oxford and University College London traced kissing back 21.5–16.9 million years to the common ancestor of ...