The Manhattan Project did more than allow the United States to knock Japan out of World War II: it allowed the United States to lead the way into the Nuclear Age. The United States needed a way to end the war quickly without losing many of its own lives, so the president ordered scientists...

The way the world thinks of war changed forever in 1945. On July 16 in Alamogordo, New Mexico, America exploded the world's first atomic bomb, sending a huge mushroom-shaped cloud high into the sky. The Manhattan Project, which was used to end ...