Nine countries in the world possess a total of 12,241 nuclear weapons. Russia and the United States have the most, with 180 ...

The Soviet Union detonated the most powerful nuclear weapon in the history of humankind, the Tsar Bomba, on October 30, 1961.

For more than 30 years, major nuclear powers have refrained from testing nuclear bombs. But that streak may soon be over as Russia and the U.S. conduct missile tests and threaten to resume explosions ...

The W88, estimated to yield 455 kilotons of TNT explosives, is one of the most powerful nuclear warheads in the U.S. arsenal, and is carried on Trident II D5 submarine-launched ballistic missiles ...

The unveiling underscores Pyongyang’s continued focus on expanding its nuclear arsenal amid tensions with the United States.

The Hwasong-20 is said to be capable of hitting almost any target on the US mainland - KCNA via KNS North Korea flaunted its “most powerful” nuclear-capable intercontinental ballistic missiles (ICBMs) ...

The solid-fuel Hwasong-20 intercontinental ballistic missiles are mobile, difficult to detect and ready to be launched at ...

Vladimir Putin has introduced the Burevestnik, known to NATO as Skyfall, a nuclear-powered cruise missile capable of flying ...

President Vladimir Putin announced Russia's successful test of the nuclear-powered 'Poseidon' submersible drone, claiming ...

NEW MEXICO (KRQE) — With New Mexico being the birthplace of the atomic bomb, it only makes sense that our state’s national labs are also responsible for monitoring other potential nuclear tests ...