A couple of years ago, while I was at a dog park and having a great time watching dogs play, I heard a young girl screaming to her mom, "Look, look -- Rosie is making out with Henry!" I turned around ...

In the words of Dua Lipa, one kiss is all it took about 21 million years ago. That's roughly when scientists estimate that kissing first emerged in the common ancestor of humans and other great apes.

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 ...

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, ...

THURSDAY, Nov. 20, 2025 (HealthDay News) — Kissing may feel like a very human habit, but new research suggests it has much deeper roots. A team of scientists says the behavior likely began more than ...

Kissing may date back 21.5 million years in early ape ancestors Researchers studied modern primates to estimate how the behavior evolved Kissing is not universal today and only 46% of cultures ...