As Russia's war in Ukraine continues, Estonian Foreign Minister Margus Tsahkna spoke with NBC News' Joe Fryer and Savannah ...

Kissing did not begin with star-crossed human lovers but with the primate ancestors of great apes around 20 million years ago ...

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

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

Kissing is more than just "mouth-to-mouth" touching, and the study doesn't really shed much light on why humans kiss the way ...

Smooching might be a familiar behavior, but it's more mysterious than you would probably imagine. While kissing might feel ...

Kissing is something of a mystery, being "only documented in 46 percent of human cultures," noted psychologist Catherine ...

A new study led by the University of Oxford has found evidence that kissing evolved in the common ancestor of humans and ...

New research suggests the first kiss occurred 16.9-21.5 million years ago between ape ancestors in Africa. Scientists ...

Humans spend a lot more time kissing than they do thinking about why they kiss. But scientists intrigued by this question say the practice, which has no real survival or reproductive benefit, is built ...

Researchers trace the origins of the first kiss to early primates 20 million years ago, revealing the deep roots of human ...

Scientists have found evidence suggesting that kissing dates back up to 21 million years and that our ape ancestors and ...