A survey of people using Ashley Madison, a website for facilitating infidelity, didn't turn up much remorse.

Married couples who merge their finances may be happier and stay together longer, according to new research.

A new book chronicles women moving away from "traditional" marriages in societies where it's widely considered obligatory.

Law professor Leonore Carpenter explains the Respect for Marriage Act, which enshrines protections for same-sex and interracial marriages in federal law.

US adults who get weight-loss surgery are more than twice as likely to get married or divorced within five years.

In many US states, child marriages violate statutory rape laws, providing legal loopholes for sexual acts with children otherwise considered crimes.

College-educated women are much more likely than ever before to have a first child outside of marriage, research finds.

After conducting in-depth interviews with 35 happy couples, researchers have identified key factors to successful Black marriages.

In cultures that value men as breadwinners, their job loss may lead to breakups, new research finds.

What's the best way to talk about the often taboo subject of prenuptial agreements? Comments on Reddit offer a suggestion: Use metaphors.