Many animal societies involve highly promiscuous mating behavior, making it potentially complicated for individuals to recognize and preferentially help their relatives. Researchers have now shown ...

Seasoned reproductive health experts have debunked claims that family planning promotes promiscuity, describing such notions as unfounded myths that contribute to the nation’s high maternal mortality ...

What makes the oldfield mouse steadfastly monogamous throughout its life while its closest rodent relatives are promiscuous? The answer may be a previously unknown hormone-generating cell. Scientists ...