The National Guard is a special part of the U.S. military that answers to both state governors and the president. While it began as a “strategic reserve,” the guard has come to play an important role…

Deployed around the world, the armed forces are a pillar of U.S. power and influence abroad. But many civilians are unfamiliar with their composition. How much does the military resemble U.S. society…

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.

Hydraulic fracturing has unlocked huge reserves of shale gas and oil, transforming the energy outlook in the United States and the world, even as local opposition and falling world prices threaten th…

Every four years, U.S. presidential candidates compete in a series of state contests to gain their party’s nomination. The political process is one of the most complex and expensive in the world.