For celebrities, locking lips on screen is all a part of the job. While kissing another actor as camera crews roll can definitely be awkward, sometimes it actually gets a little steamy! Looking back ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. “The meeting of ...

Kissing, for all popularity, is a bit of a mystery. Scientists have long debated when humans’ ancestors first put their lips together, and whether the act is simply a cultural trait. A new study ...

This weekend's episode of Doctor Who, "Rogue," is generating a lot of discussion online. Why? Well, it features the franchise's first romantic same-sex kiss...and the Doctor is the one doing the ...

A kiss is one of the most universal gestures in the world. It’s a wordless way to show affection that transcends language, culture, and even species boundaries, conveying a great deal of meaning ...

(CNN) — “The meeting of lips is the most perfect, the most divine sensation given to human beings, the supreme limit of happiness.” So wrote the 19 th century French author Guy de Maupassant in his ...