A kiss may be on your list as one of the best things in life. But have you ever thought about how kissing evolved in the first place into such a meaningful activity for humans? After all, even though ...

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 ...

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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 ...

A recent peer-reviewed study claims to have pinpointed the first kiss. Published in the Journal of the Human Behavior and Evolution Society this year and made available online on Nov. 19, the study ...