For the first time, researchers have collected detailed measurements of water vapor high above the surface of the Greenland ice sheet. Their research, aided by a custom-designed drone, could help ...

A global look at the economic and cultural forces shaping our world.

DA NANG, Vietnam — Bui Van Phong faced a choice when the Vietnam War ended 50 years ago: Stay in his small village, helping his parents carry on the family's centuries-old tradition of making fish ...