Nuclear Disarmament, Nuclear | featured news

EU leaders back new sanctions on Iran that are tougher than recent measures adopted by the UN Security Council.

The United States, Russia, China and other key nations have reached agreement on a "strong" Iran sanctions resolution, Secretary of State Hillary Clinton said Tuesday.

North Korea has announced that it has made significant progress towards the development of thermo-nuclear power. It is a claim that is likely to be met with some skepticism. Despite hopes that the technology can produce large ...

The United States disclosed for the first time on Monday the overall size of its nuclear arsenal, saying it had a total of 5,113 warheads operationally deployed, kept in active reserve and held in inactive storage.

Global nuclear conference that opens today is shaping up as a showdown between Iran and U.S.

Big power envoys were to meet on Wednesday to pursue the quest for fresh U.N. sanctions to try to halt Iran's nuclear program, but diplomats forecast weeks of haggling over a text the Security Council can pass.

Iran's hard-line president has ridiculed President Obama's new strategy aimed at reducing the likelihood of nuclear conflict.

The Obama administration unveiled a new policy Tuesday restricting U.S. use of nuclear weapons but sent a stern message to nuclear-defiant Iran and North Korea that they remain potential targets.

China has agreed to negotiate possible sanctions against Iran over Tehran's failure to comply with international regulations involving its nuclear energy program, the U.S.

North Korea's army said Monday it is ready to "blow up" South Korea and the U.S., hours after the allies kicked off annual military drills that Pyongyang has slammed as a rehearsal for attack.