The Castle Bravo nuclear test produced an explosive yield of 15 megatons and was 1,000 times more powerful than the bomb that destroyed Hiroshima.

New scientific modeling reveals the shocking distances needed to survive a nuclear bomb explosion and its devastating effects ...

Atomic bomb survivors' groups and others have denounced a remark by a security official at the prime minister's office, who ...

HIROSHIMA, Japan — Shortly before the 80 th anniversary of nuclear attack on Hiroshima early this month, several dozen elementary school students met with atomic bomb survivor and farmer Toshiyuki ...

The U.S. president can order a nuclear launch without consulting anyone, including Congress, and U.S. nuclear weapons have ...

If anything, the widespread lack of comprehension (and so protest) is one big reason nuclear war remains so chillingly ...

The two lawmakers questioned the necessity of the nuclear weapons agency's plutonium pit strategy in a letter exclusively ...

Energy Secretary Chris Wright revealed the U.S. will not be testing nuclear explosions, putting to rest questions over whether the Trump administration would reverse a decades-old taboo. Testing will ...

Eighty years later, American Catholic bishops visited Japan to demand nuclear disarmament—and called for political leaders to ...