Add Yahoo as a preferred source to see more of our stories on Google. Humans are not the only animals that kiss. Apes, prairie dogs, birds, wolves, and dogs use similar behavior for bonding. (CREDIT: ...

If I asked you to imagine your dream snog, chances are it wouldn't be with a Neanderthal; burly and hirsute as they may be. However, my team's new research suggests that these squat beefcakes might ...

While kissing might feel like one of the most natural things in the world, this familiar behavior is quite mysterious—various animals also kiss, despite a lack of practical benefits and a real risk of ...

Kissing feels so tied to human life that it can seem almost impossible to separate from romance, family, grief, ritual, or desire. It sits inside wedding vows and movie endings, in greetings, ...