Kissing is a big part of human culture. According to ancient cuneiform tablets found in Iraq, humans have been smooching since at least 2500 B.C. Around the world today, many societies share kisses in ...

Stories centered around true love's kiss might be tales as old as time. And, according to a new study, kisses might even have been around before humans walked the earth. Humans kiss each other ...

How far back in evolutionary history does kissing go? Through phylogenetic analysis, an international team of scientists found that kissing was likely present in the ancestor of all apes – which lived ...

The study defined kissing, in part, as “oral-oral contact with some movement of the lips/mouthparts and no food transfer” Brian Anthony Hernandez joined PEOPLE as a writer-editor in 2023. He was ...

You've got to get in the mood for this next story. It's all about kissing. Smooching goes way back - 21 million years, in fact. That's according to new research carried out about the origins of ...

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 ...

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 ...

Stories have long been swapped on awkward first kisses and princesses smooching frogs, but a new study suggests the earliest instance of two lips pressing together happened up to 21 million years ago ...

While kissing might feel like one of the most natural things in the world, this familiar behavior is quite mysterious—various animals also kiss, despite a lack of practical benefits and a real risk of ...