Advances in genetics in recent years has revealed that many apparently exclusive pairs in fact sometimes mate with individuals other than their partner, but social monogamy is widespread.

The two major categories of relationships that have existed for decades are monogamy and polygamy. The understanding of which one would be better shifts depending on your perspective on culture ...

The concept of lifelong monogamy is rarer in the animal world ... However, recent research shows a more complex picture. While some species do indeed form long-term pair bonds, infidelity or ...

CrowdScience listener Alina is in a polygamous relationship, and is very happy with this arrangement. Which got her thinking ...