Why do opponents of same-sex marriage really oppose it? A UCLA psychology study published online today in the journal Psychological Science concludes that many people believe gay men and women are ...

When it comes to mating, humans are a rather flexible species. In attempting to make sense of this variation, a natural starting point for many researchers is to try and tackle what might be seen as ...

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 ...