Male mouse pheromones released in urine attract female mice and increase the male’s chance of mating and producing offspring. In that way, mouse pheromones act much like a peacock’s tail to attract ...

New research shows that variation in mating behaviors, parental care and differences in ornamentation of the sexes in bird species is driven by demographics rather than vice versa. An international ...

Have you been giving up the goods before the "traditional" third date rolls around? If so, then you're not alone. A new study found that more than 25 percent of women are putting out within the first ...

If dad was a playboy, there's a good chance that his sons and daughters will also be promiscuous, suggests a new study that identified a genetic link to such behavior. Subscribe to read this story ...

Men and women are either more inclined towards promiscuity or fidelity - with your index finger suggesting which category you fall into, researchers say. While other species are generally either ...

Many believe that most people dislike individuals who have sex with a lot of partners—although one's definition of “a lot” is highly subjective. In study after study, promiscuous people are seen as ...

Females are coy and males are ardent. This was Darwin’s somewhat Victorian portrayal of the sexes in his book The Descent of Man and Selection in Relation to Sex. The myth that males are naturally ...

If you have a hot date this weekend and want to make sure you send the right message (that would be "I'm the marrying kind," not "The tips at Hooters are so much better than I was expecting!"), keep ...

Old theories say that man is the philanderer while newer studies say women are. We join in the debate by asking the women if they’re more promiscuous Thanks to a theory that was laid in 1948, women ...