His aggressive stance toward China could force many in the region to pick a side.

The fentanyl epidemic is a major election issue. The U.S. could leverage trade policy with China to crack down on its export. 

Who calls the shots in Iran on economic policy, security, and domestic calls for reform? A look at the government’s organization chart indicates how complicated the answer is.

See how six countries are faring amid efforts to protect 30 percent of the planet’s land and waters by 2030, and what will be saved if they succeed. 

Nine charts illustrate the extraordinary level of support the United States has provided Ukraine in its war against Russian invaders.