Russia’s Poseidon (Status-6) is a nuclear-powered, nuclear-armed autonomous underwater vehicle (AUV) or torpedo, designed to ...

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

Iran has dramatically increased its stockpile of uranium needed to create nuclear weapons and has fallen short of compliance ...

Iran’s supreme leader effectively rejected a U.S. proposal that allows temporary uranium enrichment in the country before ...

Could Ukraine produce a nuclear bomb and transborder missiles to halt Russia’s invasion? A global expert on atomic arms ...

The U.N. nuclear watchdog says Iran has further increased its stockpile of uranium enriched to near weapons-grade levels.

A new Austrian intelligence reports says Iran is continuing with its nuclear program as the U.S. and Iran hold indirect talks ...

Thermal nuclear weapon, also known as hydrogen bomb, is a type of nuclear weapon which is based on the nuclear fusion process ...

Iran's Supreme Leader Ayatollah Ali Khamenei said that abandoning uranium enrichment was "100%" against the country's ...

An outline by the Trump administration would allow Iran to continue enriching uranium at low levels while a broader ...

The International Atomic Energy Agency found Iran has upped its 60%-enriched uranium stockpile from 274.8 kilograms to 408.6 ...

U.N. inspectors monitoring Iran's Fordow nuclear site confronted a major gap in their knowledge last year as they watched ...