Our ancient primate relatives—including Neanderthals—may have enjoyed a nice peck on the lips. But researchers still don’t ...

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

Lip-on-lip kissing is not nearly as universal as we might think it is, so can the diverse number of ways that humans kiss reveal what it is about this intimate act that we find important? Less than ...

Lip kissing is an act that’s so natural and common in many present-day societies it is easily taken for granted. But it’s not actually clear whether people have always been kissing, or whether its ...

Kissing is so common many of us don’t think there’s more to it than meets the lips. Kissing is a universal language — a cross-cultural phenomenon, a sign of love, affection and kindness. But it could ...

More than 100 million people will tune in Sunday to see if Tom Brady will win an unprecedented sixth Super Bowl. Meanwhile, some of the star quarterback's critics are zeroing in on another issue ...