The chief of the International Atomic Energy Agency called for "maximum military restraint" following the strikes.

Confusion on whether Iran truly needed only “two weeks to four weeks” to make a nuclear weapon, as President Donald Trump suggested on Monday, hangs over the ongoing U.S. and Israeli war on the ...

The US has a total of six missing nuclear warheads out of 32 known accidents - with one diver finding a bomb powerful enough to obliterate a city ...

NPR's Leila Fadel asks Iran expert Ali Vaez of the International Crisis Group about Iran's nuclear capabilities before and after U.S. and Israeli attacks.

President Donald Trump feared Iran's nuclear weapon capabilities. How safe would Pennsylvania and Delaware be during nuclear war or attack? See here.

Israel struck key Iranian nuclear sites to curb bomb development amid rapid uranium enrichment and rising tensions.

A mission to seize or destroy Iran’s nuclear material would be one of the riskiest military operations in modern American history.

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 ...

President Donald Trump's comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to the bomb, but come as Washington's ...

During the late 1970s, the United States developed a nuclear weapon designed not to flatten cities but to kill the people ...

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 ...