North Korea's warning comes after renewed speculation of a meeting between President Trump and North Korean leader Kim Jong ...

The Nuclear Information Project at the Federation of American Scientists estimated that the U.S. had about 3,700 warheads in ...

Experts agreed if the U.S. resumed full nuclear weapons tests, other nations would do the same — giving them a chance to ...

The quiet expansion of Beijing’s remote nuclear weapons complex, Lop Nur, points to years of preparation for a potential ...

The Energy Department and Air Force in August successfully carried out the first tests dropping unarmed B61-12 nuclear ...

The US fired a Minuteman III Intercontinental Ballistic Missile (ICBM) early Wednesday, testing America’s national defense as ...

Marco Rubio told reporters Wednesday that nuclear testing plans are "on par with what other countries are doing." ...

US President Donald Trump and Russian President Vladimir Putin have spent weeks trading threats to restart nuclear tests, an escalation kicked off by Putin’s boasts about tests of the Poseidon nuclear ...

Few people know the harm nuclear testing can do better than inhabitants of the Marshall Islands which was a US-administered trust territory of the United Nations from 1947 to 1986.

Russian officials say they are waiting for an explanation from President Donald Trump about nuclear testing. He hasn't given ...

It looks like Japan will finally cast aside its ban on hosting nuclear weapons—specifically, those of the United States.

Experts say there are roughly 12,241 nuclear weapons across the world, with just over 9,600 thought to be operational.