In the second installment of our year-long series, Under the Radar dives into the world of polyamory and ethical nonmonogamy ...

Sometimes, all a relationship needs to stay strong is to break the rules. A Florida husband and wife celebrating 20 years of marriage say they did not save their relationship by playing it safe.

After Lily Allen and Lindy West shared their poly stories, online discourse is giving polyamory a really bad name.

According to data from YouGov, 1% of the UK population are currently in polyamorous relationships and 8% would be open to being part of one. For clarity, this means that 680 thousand people are in ...

Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. For many of us, our mental picture of romantic love is a couple. After all, a firmly ...

Three years after marrying Bryan Lowder, Cam McDonald met Tristan Chirico on a gay dating app. The three men spent increasing amounts of time together over the next four months, enjoying their lives ...

A throuple is a relationship between three people, and all three know about it and agree to it. In plain English, it is a consensual three-person ...

Add Yahoo as a preferred source to see more of our stories on Google. A Florida couple married for 20 years say opening their relationship helped strengthen, not weaken, their bond. Sometimes, all a ...