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Less than half of the world’s cultures kiss their romantic partners.

Males who sing more complicated, orderly songs feed their children more often.

Besides catching the proverbial worm, there’s another good reason for birds to get up and going early in the morning: Sleeping in can give their mates an opportunity to step out on them, leaving them to care for another bird’s chicks.

Physician (and Corn Flakes inventor) John Harvey Kellogg had a lot of thoughts on how 19th-century girls could be happy and healthy.

For the first time, scientists have discovered a fish that can asexually reproduce in the wild.

When love is in the air for certain moth species, the female secretes a pheromone to signal that she’s ready to make little moths. An interested male will approach and “sing” her a courtship song composed of a series of ultrasonic pulses.

For famous writers like F. Scott Fitzgerald and his wife, Zelda, turbulent real-life relationships rivaled the dramas that played out on the page.

Travel back to a time when 'lady’s low toupee' and 'Master John Goodfellow' were perfectly acceptable terms for genitalia.

What producers do when the rabbit dies"¦ The rest of us can complain about maternity leave not being long enough, and unfeeling male bosses not understanding the need for additional restroom breaks. That's just par for the course when an average working A

Our new book In the Beginning's hitting stores in a week, and we can't wait to show it to you. Here's one of our favorite origin stories. And if you pre-order it today, we'll send you an autographed book plate (see details below). The Kiss (and tell) Prel

Considering how much fuss Richard Gere has gotten over his "obscene" attempts to plant an unwanted Hollywood-style kiss on Bollywood star Shilpa Shetty (Indian extremists have been salivating over the images and calling for Gere's arrest), we figured we'