Nine countries currently either say they have nuclear weapons or are believed to possess them.

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 ...

China keeps its nuclear policy under secrecy while maintaining a stated position of self-defence and no first use. Reports ...

This week in New York, diplomats from almost every nation will convene for a four-week review of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT), the most comprehensive nuclear arms ...

For decades, American allies in Asia and Europe have relied on U.S. extended nuclear deterrence for their safety. They forswore acquiring their own nuclear weapons, agreeing instead to live under the ...