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

"Kissing was considered a part of romantic intimacy in ancient times, just as kissing could be part of friendships and family members' relations."

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

"Homophobia, transphobia, fatphobia, and misogyny also all intersect with racism to shape the experiences (and behaviors) of [dating app] users."

New research indicates that grieving a spouse while working takes a toll on the health of widows and widowers.

A psychologist shares his science-backed advice on how to find—and keep—love just in time for Valentine's Day.

The strongest relationships are built on efforts couples make every day, not grand gestures for Valentine's Day, says Kale Monk.

New research digs into "romance fraud" and how people using dating apps can protect themselves against scammers.

Just in time for Valentine's Day, new research finds that affectionate communication is linked to better heart health outcomes.

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