The German Constitutional Court ruled that German espionage activity must conform to the country’s constitution, even if conducted overseas on non-German citizens. What’s in the ruling?

If Joe Biden wins the November election, Americans will likely see a reversion to a more traditional approach to the presidency. What might that mean in the field of U.S. national security?

To better understand the conversation on U.S. policy toward China, it’s helpful to break down hawks and doves into more precise categories.

While President Trump can decide whether to use force against Iran, Congress has taken steps that may make him unwilling to do so.

China has tried to build goodwill with its "mask diplomacy," but its efforts are backfiring.