Nine countries currently either say they have nuclear weapons or are believed to possess them. The first to have nuclear arms were the five original nuclear weapons states — the United States, Russia, ...

The expiration of the New START treaty leaves more than 10,000 U.S. and Russia nuclear weapons unconstrained for the first time in decades.

The United States is to resume nuclear weapons testing “immediately”, Donald Trump has announced, raising fears of renewed proliferation between the world’s two biggest stockpiles of atomic weaponry.

GENEVA (AP) — A U.S. official focusing on arms control on Monday provided what he called new, declassified details of a ...

Nine countries currently either say they have nuclear weapons or are believed to possess them. The first to have nuclear arms were the five original nuclear weapons states — the United States, Russia, ...

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 ...

The post Iran atomic energy chief says no country can deprive Tehran of enrichment rights appeared first on The Times of ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Nine countries currently either say they ...