A new survey of Washington adults reveals geographic divides and a concern that popped up on the list for the first time.

Dr. Fatih Birol, executive director of the International Energy Agency, calls for investment in Africa’s energy sources.

Researchers are still figuring out how people define well-being across countries and cultures. Happiness is a factor, but ...

That year, French mathematician Évariste Galois finally illustrated why this was such a problem—the underlying mathematical ...

The blackout that engulfed the Iberian Peninsula on Monday was chaotic and stressful for many. But it had a silver lining.

In an unusual twist in the governor’s race, a wealthy Democratic businessman is suing former Los Angeles Mayor Antonio ...