A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to chimpanzees. By comparing full and half siblings across species and human cultures, ...

Many question the traditional relationship structures, and I find myself drawn to defend what many now dismiss as merely a cultural construct: monogamy. Far from being an outdated social convention, ...

Four couples from all over the country travel to Los Angeles to undergo a new type of treatment called Swap Therapy to repair their broken marriages.