In October 1961, the Soviet Union detonated the Tsar Bomba, a nuclear weapon with a yield of 50 megatons. The explosion was ...

Instead, high-energy radiation and electromagnetic pulses dominate, posing serious risks to satellites, spacecraft, and ...

At approximately 5:30 a.m. on July 16, 1945, the world's first atomic bomb exploded in the New Mexican desert. It was bright, hot, and loud. Scientists and military personnel crouched nearby in ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.