Up to now, the question of how many nuclear weapons the United States needs was largely answered by New START: The 2010 ...

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

Vladimir Putin announces another change to the nuclear doctrine. No one doubts that this is an attempt to block the US from ...

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

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 cities.

What should we make of Vladimir Putin's "new rules" regarding what constitutes a nuclear aggressor and how Moscow might ...

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 ...

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 cities.

North Korea released first-ever photos of a uranium enrichment site on Thursday. Supreme leader Kim Jong Un has been known to show off his nuclear bombs, but this week he revealed the facilities ...