Should you drink more coffee? Should you take melatonin? Can you train yourself to need less sleep? A physician’s guide to sleep in a stressful age.

When The Joel Test first appeared, one of the biggest sore points readers reported had to do with writing specs. It seems that specs are like flossing: everybody knows they should be writing them, but...

Psychologist Tania Lombrozo looks at a new study finding that we're more critical of arguments offered by others than of those we produce ourselves.

Author Lisa Servon says a growing number of Americans are giving up on traditional banks and relying instead on alternatives, including prepaid debit cards, check-cashing centers and payday lenders.

Adventure photographer Cory Richards shares his intimate struggles—with PTSD, alcoholism, infidelity—and how he found his way forward.

The police story is one of the elemental dramas of American popular culture.

An exclusive conversation with the globe-trotting culinary maverick

President Obama promised to fight corporate concentration. Eight years later, the airline industry is dominated by just four companies. And you’re paying for it.

Mark Zuckerberg wants Facebook to build a global community. Easier said than done.