An admission thirty years after the fact revealed that President John F. Kennedy came closer to nuclear war in October 1962 than he and his advisors imagined because they failed to ask what they did not know.

The first atomic bomb is detonated near Alamogordo, New Mexico, on July 16, 1945. The successful test paved the way for the use of atomic bombs against Japan at the end of World War II.

North Korea is the only country known to have conducted a nuclear explosive test in the 21st century.

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 Persian Gulf nation. Nuclear experts call this claim ...

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 World War II, the world's first atomic bomb used in combat.

North Korea’s interest in nuclear weapons was decades in the making—but its first earnest attempt during the 1990s was stymied by external factors.

NATO is starting its major annual nuclear exercise, "Steadfast Noon," on Tuesday Iran-backed Houthi rebels have claimed responsibility for attacks on Saudi airports that killed three people

Trump said he would not use nuclear weapons against Iran or send ground troops as the U.S. reportedly weighs new strike options.

France is pursuing a strategy called 'Forward Deterrence' to enhance its nuclear presence in Europe, which includes its Rafale jets. This initiative aims to deploy nuclear-capable aircraft to allied countries and bolster military cooperation.