Seven Year Switch: Down Under is a new reality series premiering tonight that splits up couples and pairs them with each other’s partners. This Australian version of the series features four couples ...

Two married couples who live and raise their families together — and even swap partners — have opened up about life as a “foursome.” Alysia and Tyler Rogers were already parents to two children, now ...

Although monogamy is still widely considered the ideal in our society, consensual non-monogamy has gained a lot of attention in the media in recent years. Given the high degree of infidelity in ...

An artistic representation of microorganisms. New research suggests sex may transfer a distinctive microbiome to a person's partner. Freepik Researchers in Australia have found that heterosexual ...

SINGAPORE (Reuters) - Every two months, dozens of couples meet in a pub in Singapore, have drinks, mingle, and then decide whether they want to sleep with one another. Sign up here. In Sydney or ...