During the Cold War, the term strategic forces referred to nuclear weapons deployed on strategic delivery systems: ...

You can't tell us. FUNK: Yeah. Right. (SOUNDBITE OF MACHINERY CLANKING) BRUMFIEL: The science they're doing in these tunnels - they do it so America doesn't have to test any more nuclear weapons.

The nuclear-powered USS Alexandria is a 360-foot fast-attack submarine equipped with Tomahawk missiles and MK48 torpedoes.

Leader Kim Jong Un pledged to pursue "sustained countermeasures," citing security ties between the U.S. and its regional allies.

The United States and Russia have pledged their readiness ... Washington has embarked on a costly modernisation of its ...

The United States maintains an arsenal of thousands of nuclear weapons, but it hasn't tested one in decades. Instead, the U.S. is using simulations and experiments to see if the nukes still work.

GROVE, Okla. — A Grove teenager told police he built a toilet paper fort over a dog bed and spent a couple of nights there ...

OpenAI says it plans to let U.S. National Laboratories use its AI models for nuclear weapons security and other scientific ...

North Korean leader Kim Jong Un has said an elevated U.S. security partnership with South Korea and Japan poses a grave ...

The United States and Russia have pledged their readiness ... which has raised fears of Russian use of nuclear weapons, though it has kept to the limits set by the agreement.