We used this definition to trawl published scientific papers, searching for observations of kissing in the group of monkeys ...

For decades, anthropologists have wondered whether kissing is an evolutionary thing or a unique cultural quirk we humans ...

Humans spend a lot more time kissing than they do thinking about why they kiss. But scientists intrigued by this question say ...

It is not a recent cultural development. A new study in Evolution and Human Behavior suggests kissing may date back 21 ...

A new study looks at how the mouth-on-mouth smooch came into being, and concludes that Neanderthals also kissed.

Our results paint early apes in an amorous light, showing that the ancestors of large apes were kissing each other as far back as 21.5 – 16.9 million years ago. Clearly, they were onto a good thing ...

While dropping jaws as a two-way star, Los Angeles Dodgers phenom Shohei Ohtani has been described as supernatural, ...

Romantic kissing likely evolved for the first time in a common ancestor of humans and other large apes about 21 million years ago, scientists revealed in a new study. Several animals have so far been ...

Scientists suggest that the act of kissing evolved over 21 million years ago, a practice shared by humans and their great ape ...

B iologists from the University of Oxford have traced back the origins of kissing to large apes 21.5 million years ago, this according to a new study published in the journal Evolution and Human ...