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

Kissing stretches back roughly 21 million years, to the shared ancestor of humans and other large apes, according to the ...

Or, as her majesty Faith Hill might say, “This kiss.” And, it turns out, it’s also really old. British scientists say they’ve ...

New research suggests that kissing probably predates humanity and evolved between 16.9 million and 21.5 million years ago, after the ancestor of the great apes split from the lesser apes, or gibbons.

Kissing is more than just “mouth-to-mouth” touching, and the study doesn’t really shed much light on why humans kiss the way they do, said Adriano Reis e Lameira, an evolutionary psychologist and ...

Evolutionary biologists don’t know why we kiss — but new research suggests kissing evolved long before humans existed.