Here’s how different health-care systems, including single-payer and government-run, have contended with the coronavirus.

Tens of millions of Chinese now identify as Christians, and the number has grown rapidly, posing challenges for a government that is officially atheist and wary of threats to its power.

U.S. strategic and tactical nuclear weapons on land, in the air, and at sea, will undergo costly and extensive modernization in the coming years.

The separation of powers has spawned a great deal of debate over the roles of the president and Congress in foreign affairs, as well as over the limits on their respective authorities, explains this …

Pakistan has emerged as a sanctuary for some of the world’s most violent groups, including al-Qaeda, the Taliban, and homegrown militants, that threaten the stability of Pakistan as well as the regio…