The white-handed gibbon comes closest to humans in the study, with a monogamy rate of 63.5%. It’s the only other top-ranked ...

In Focus delivers deeper coverage of the political, cultural, and ideological issues shaping America. Published daily by senior writers and experts, these in-depth pieces go beyond the headlines to ...

The traditional idea of marriage has been questioned time and time again throughout the years. As of lately, it seems like more people are open to the idea of a non-monogamous union than anything else ...

A new study finds how monogamous humans are in the mammal family. In a list ranking the monogamy of mammals, humans stood at ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Picture this: You’re young and diving into the world of dating for the first time. In a world of infinite ...

Social monogamy, where one breeding female and one breeding male are closely associated with each other over several breeding seasons, appears to have evolved as a mating strategy, new research ...

A group supporting those who practice polyamory and other forms of “ethical non-monogamy” want more relationship-status options on Facebook. By Valeriya Safronova A group that supports ethical ...

About 3 to 5% of mammals are known to be monogamous, meaning they select one mate for life. Still, many monogamous species ...

Open relationships are on the rise. Here's what's beneath the surface for gay men—and how to know what you actually want.