For humans, kissing holds major cultural cachet, accompanying confessions of romantic love, religious rituals of reverence and even betrayals, à la The Godfather Part II’s “kiss of death.” New ...

A new study that examines how kissing evolved suggests that ape ancestors and early humans, like Neanderthals, probably locked lips with their friends and sexual partners. The behavior may date back ...

New research dismantles the long-held belief that smoking less means less harm. Scientists now say the body suffers significant cardiovascular damage from even low levels of smoking. Researchers from ...

Early humans like Neanderthals probably kissed, and our ape ancestors could have done so as far back as 21 million years ago. There is wide debate over when humans began kissing romantically. Ancient ...

And humans are far from the only species locking lips. By Ali Watkins The act has been called many things: Centrifugal motion. Perpetual bliss. The thrill of the moment. Unstoppable. In technical ...