nuclear weapons

Reaction was mixed, with Barack Obama calling the move "misguided," Israel praising the president, and Iran and France, Britain and Germany considering the next step.

North Korea's Kim Jong Un and South Korea's Moon Jae-in met at the border village of Panmunjom for the first inter-Koreas summit in more than a decade.

South Korean officials returning from a two-day visit to Pyongyang say North Korean leader Kim Jong Un is willing to discuss giving up his nuclear weapons with the U.S.

Nuclear civil defense fell out of favor in the latter years of the Cold War. But, as North Korea builds its nuclear arsenal, local officials are reluctant to bring it back.

Pyongyang again defied United Nations resolutions and test-fired a missile early Sunday morning, local time. It earned a swift rebuke from neighbors.

Criticizing President Trump, the Bulletin of the Atomic Scientists sees increased risk in dangers to humanity, from the proliferation of nuclear weapons to climate change.

Many independent arms control experts suspect that North Korea will test a missile capable of reaching the continental U.S. later this year. There may not be much the U.S. can do about it.

As President-elect Donald Trump tweets about expanding nuclear security and the cost of combat aircraft, some wonder whether his hardball posts are just "Art of the Deal" tactics to help the Pentagon.

Last week, the United States and five other world powers–the “P5+1″–unveiled a framework for an agreement with Iran over the latter’s nuclear program. The…