Companies say it’s a better way to dispose of the Cold War-era material — and fix a shortage of nuclear fuel. But the plan ...

The investigative minds at How to Survive reveal the terrifying scale and destructive power of modern nuclear weapons and ...

A pair of lawmakers exhorted the Energy Department's top official to consider reining in a major nuclear arsenal modernization program amid long-running concerns over its cost and schedule performance ...

The United States openly tracks thousands of nuclear warheads, yet a small number have slipped permanently out of reach. Yes, the US has lost 6 nuclear weapons, and each disappearance left a trail of ...

Russia will continue to observe the limits set under the recently-expired New START nuclear arms reduction treaty if the United States does the same, Russian Foreign Minister Sergey Lavrov said ...

The last treaty between the U.S. and Russia that limited the number of deployable nuclear weapons expired on Thursday, marking the end of decades of arms control agreements between the two countries ...

Trucks carrying intercontinental ballistic missiles rumbled over forest roads, submarines set sail from Arctic and Pacific ports, and crews scrambled into warplanes as Russia and neighboring Belarus h ...