The secretive Russian satellite in space that U.S. officials believe is connected to a nuclear anti-satellite weapon program ...

The non-partisan Congressional Budget Office's estimate does not include recently discovered cost overruns in the Sentinel ...

Russia reserves the right to use nuclear weapons in the event it faces aggression by Western countries, Moscow's top security ...

Imangali Tasmagambetov, the secretary-general of the Collective Security Treaty Organization, spoke at a conference this week ...

The U.S. Air Force 2nd Bomb Wing and 5th Bomb Wing, operators of the nuclear-capable B-52H bombers, recently participated in ...

The Ukrainians agreed, at the urging of President Clinton, to give up their nuclear arsenal in return for promises from the ...

What is “the Iran problem”? Trump seems to think it’s Iran’s efforts to obtain nuclear weapons, which, he has said, “they can ...

Once protected by its nuclear umbrella, America’s closest allies are now threatened by it and contemplating their own nuclear ...

Sen. John Fetterman said the U.S. should ‘provide our comprehensive military support and whatever else Israel requires to ...

The U.S. Supreme Court is considering arguments about temporary storage sites for the country's 90,000 tons of nuclear waste.

To clarify, this is not a thermonuclear bomb (which uses nuclear fusion). Traditional hydrogen bombs work through nuclear fusion, a process where atomic nuclei combine under intense pressure to ...