Sometimes the first cut really is the deepest.

As women claim more leadership positions, the power couple is becoming a model for modern relationships.

If the Industrial Revolution didn’t kill it, how could Tinder?

Chris Martin and Jennifer Lawrence are fine

They're less likely to divorce and they do an extra hour of housework each week

What it says about your friendship when you find yourself squished into a revolving-door with a companion.

The evolutionary logic—and other meanings—of a pet name

Swans and beavers mate for life. Humans not so much.

Research shows the longer you date, the happier your marriage. Unless you're Shirley Temple.