An open marriage is one where both spouses consent to their partner having relationships with other people. Experts weigh in on how to define an open marriage.

Thanks to Will and Jada Smith, there’s been an increased discussion in the media about open marriages. I’ve been asked to wade in on this subject. This is an unexpected but relevant detour ...

Danielle, who has been in an open relationship with her husband for over a decade, says marriage, for them, is much bigger than sexual exclusivity.

She met Thomas again in Vienna … cue getting caught, marriage therapy sessions, the joint decision to experiment with an open marriage and separately setting up profiles on a dating app.

Molly Roden Winter, wife and mom of two, explains why her open marriage started after her therapist suggested making a "freedom to do" list.

Whether you decide to sleep with other people, the true definition of an open marriage has nothing to do with sex.

I'm in an open marriage. Well, to be simultaneously more and less specific: I'm in a nonmonogamous marriage. An "open" marriage, in the nontraditional world, means that the couple may be having ...