From the U.S. to North Korea, nuclear weapons remain a key force in global power. Learn how many are active, where they’re ...

Iran remains 'obsessed' with building nuclear deterrent despite damage incurred from U.S. strikes last month, but suggests ...

Israel is a nuclear armed state! Some claim it has 90-400 nuclear warheads and has not signed the Treaty on the ...

The US military did not use bunker-buster bombs on one of Iran’s largest nuclear sites last weekend because the site is so ...

Ahead of U.S. strikes on Iran, one U.S. intel assessment concluded Iran could build a nuclear weapon in months but didn't ...

U.S. and Israeli strikes delivered major damage to Iran's nuclear program, setting it back years, though analysts caution ...

The U.S. develops and stores its nuclear weapon material in sites controlled by the Defense Nuclear Facilities Safety Board.

China firmly supports establishing a Southeast Asia nuclear weapon free zone and has made clear its willingness to take the ...

The decision means that Britain’s air force will have a nuclear role for the first time since the end of the Cold War.

According to the standard justification, nuclear weapons uniquely deter violence and serve as a foundation for global peace.

“Certainly, North Korea doesn’t rue the day it acquired nuclear weapons,” said Christopher R. Hill, who led lengthy, ...