Findings of a new research study have revealed that men and women either fall into two categories. They are either more inclined to be promiscuous or faithful when it comes to sex. For the new study ...

Mrs. Robinson couldn't avoid seducing Benjamin: it was a biological imperative. (United Artists) Next time your significant other catches you in bed with someone else, try this defense: "Don't take it ...

Many people (women in particular) intentionally limit their number of sexual partners because they worry it could hurt their chances of finding long-term monogamous love once they are ready to settle ...

Females of a socially monogamous passerine, the Japanese great tit (Parus minor), become more promiscuous after hatchings fail in the first breeding attempt -- apparently attempting to ensure ...

If you've ever been called a slut or a slag, or been scared of being called one, then you know what it feels like to experience the double standards surrounding promiscuity. We've all grown up ...