"Financial infidelity has the potential to be as harmful for relationship health and longevity as sexual infidelity..."

A new study finds no evidence of systematic discrimination against same-sex couples seeking marriage licenses in the US.

Men's feelings about being the breadwinner can cause stress-induced wear and tear on the body, but it all depends on their view of gender roles.

New research challenges evolution-derived sexual stereotypes about men, women, and multiple spouses.

On the other hand, divorcees are about twice as likely as married people to develop dementia, the study indicates.

People who cheat on their spouses are more likely to engage in workplace misconduct, a study of Ashley Madison users shows.

Parents often seek mental health treatment for a child struggling with depression, but the treatment shouldn't stop there, say researchers.

As couples age, they show more humor and tenderness towards one another, researchers say.

Calls to end "child marriage" are prone to stereotypes, say researchers who investigated the ages and decision-making of girls and their families in Tanzania.

Since the fall of the Taliban in 2002, attitudes about child marriage in rural Afghanistan have changed considerably.