Between them, the world's nine nuclear powers are thought to have "roughly" 12,331 nuclear warheads, said the Federation of American Scientists (FAS).. What are 'tactical' nuclear weapons?

China’s most advanced nuclear submarine is the Jin Class Type 094 sub, providing defense in nuclear situations. Here's a look ...

She said it was an intermediate-range ballistic missile based on Russia's RS-26 Rubezh model, and that it had a non-nuclear payload but could be refitted to carry different types of "conventional ...

“Supply-side counter proliferation strategies (i.e., trying to deny countries the knowledge, material, and equipment needed to make deliverable nuclear weapons) cannot permanently prevent ...

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

Deadlier weapons, more nations, autocrats in charge, disinformation and collapsing arms control — the risk of nuclear catastrophe is back.

As, which will join the NATO nuclear mission, has led headlines, but the UK’s F-35Bs still lack any standoff strike ...

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

Intelligence about nuclear programs, such as the one in Iran, includes a lot of uncertainty—and always has a political ...

The country has domestic sources of uranium. Its largest mine is at Saghand, in east-central Iran. But mined uranium is ...

They are smaller and less powerful than strategic nuclear weapons, but they can have explosive yields of up to 300 kilotons, or 20 times that of the bomb that destroyed Hiroshima. Advertisement ...