"Somewhere along the way, I found out that he was non-monogamous. By that time, I was madly in love with him." ...

A recent study published in The Journal of Sex Research explored how two key aspects of romantic relationships, nurturance ...

Divorce rates appear to be a more reliable predictor of the reproductive success of the colony than environmental factors ...

An estimated 3% to 7% of North Americans are in a relationship where partners have romantic or sexual relations with multiple ...

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions ...

I’ve been with James, my 63-year-old boyfriend, for five years now, and while we’re deeply committed to each other, we’re also in what is known as a hetero-monogamous relationship.

Mark Travers writes about the world of psychology. With the prevalence of long-term monogamous relationships worldwide, jumping from one to another may ... [+] seem like the norm—but that doesn ...