The US used to get most of its enriched uranium from Russia. Now scientists and companies are racing to produce it at home.

Atomic bombs are powered solely by nuclear fission — the ... Some US nuclear weapons are considered "low-yield," including a submarine-based nuclear warhead with a yield of 5 kt, while the most ...

Russia is a true nuclear power—it has over 4,300 nuclear warheads. However, this is just under half of what is in arsenals ...

If war comes, the Air Force will exchange their sand-filled noses for atomic warheads, and the deadly Matadors will be ready for action. The Air Force is not the only service with an atomic ...

Thanks to the Germans, they are already effective weapons-in-being, known in Russia and Britain as well as in the U.S. If war were to start in five years, improved V2s with atomic warheads might ...

The U.N.’s nuclear chief says the world must recognize that North Korea possesses nuclear weapons and pursue dialogue despite ...

A naval base less than 30 miles from Seattle has one of the world's largest concentrations of deployed nuclear weapons. Five ...

Tennessee — the same facility that enriched uranium for the first atomic bomb in the era of the Manhattan Project — workers are turning old, unexploded warheads into fuel that will power ...

The world must recognize that North Korea possesses nuclear weapons and pursue dialogue despite its violations of U.N.