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

Ancient lead exposure may have helped humans evolve over Neanderthals, study finds. Before embarking on the study, ...

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.

A kiss is one of the most universal gestures in the world. It’s a wordless way to show affection that transcends language, ...