Photo: Atomic bomb test explosion in Alamagordo, New Mexico, July 16, 1945. AP/Wide World Photos ...

From the atomic bombing of Hiroshima to North Korea's 2017 nuclear test, this video compares six powerful nuclear weapons and ...

In 1962, the United States detonated a nuclear bomb 400 kilometers above Earth in one of the most dangerous Cold War ...

In August of 1945, as World War II was nearing its end, the United States dropped atomic bombs on the cities of Hiroshima and Nagasaki three days apart, killing at least 100,000 souls. Tsutomu ...

On October 30, 1961, the USSR detonated a 50-megaton hydrogen bomb over Novaya Zemlya. The explosion remained unparalleled in ...

Add Yahoo as a preferred source to see more of our stories on Google. When an atomic bomb detonates, it produces a unique chemical environment that's nearly impossible to mimic in a lab—and amid its ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE - This is a 1960 photo of a U.S. nuclear weapon of the uranium bomb Little Boy type that was detonated over Hiroshima in ...

In the 1950s the American public accepted above-ground nuclear bomb blasts just 65 miles from Las Vegas as part of the Cold ...

HIROSHIMA, Japan — More than 50,000 people gathered at this city’s Peace Memorial Park on Thursday to remember the victims of the world’s first atomic bombing and hear a renewed appeal for world ...

On August 9, 1945, a second atomic bomb is dropped on Japan by the United States, this time at Nagasaki, resulting in Japan’s unconditional surrender. The devastation wrought at Hiroshima three days ...

The scene of destruction after the atomic bomb was dropped on Hiroshima, Japan, in 1945.Universal History Archive/Universal Images Group via Getty Images On August 6, 1945, a 10-foot-long uranium bomb ...