Polygamy is rare throughout most of the world. In the U.S., having spouselike relationships with more than one person under the same roof was criminalized in 1882. Today, people in the U.S. are rarely ...

Once you let gay people marry, the argument goes, it could open the door to things like polygamy — or even bestiality. Well, no one's married their dog since the Supreme Court's ruling last ...

Polygamy and polyamory are two similarly-sounding relationship styles that people often confuse. But, contrary to the common misconception, they are not the same. What then, are the key ...