Key Points and Summary - The U.S. military has suffered dozens of “Broken Arrow” nuclear weapons accidents—events involving lost weapons, accidental releases, or other serious mishaps. -Most were ...

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.

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

On August 6, 1945, the sky above the Japanese city of Hiroshima opened. A blinding flash, then a deafening sonic boom. An entire city pulverized in seconds. Thus began the nuclear age. Today, 80 years ...

Nuclear weapons are the single-most destructive explosives humanity has created and deployed in warfare. Because of their destructive power that can wipe away whole cities, you'd think that the United ...

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 ...