Study of couples finds both husbands and wives adjust fitness when income balance shifts. The "trophy spouse" phenomenon goes ...

We all know that romantic relationships go through a honeymoon phase at the beginning, but psychologists say it's also natural for couples to go through a “roommate phase” once they've been married ...

Pew Research Center conducted this study to understand the demographic characteristics and experiences of adults who are married to or living with a same-sex spouse or partner. This analysis is part ...