Nuclear weapons have come a long way and come in all types of different sizes. Some are relatively small while others are ...

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

The nuclear weapons ban treaty is gaining prominence as an international security forum. But its members still can't condemn ...

Russia reserves the right to use nuclear weapons if it faces aggression from Western nations, Sergei Shoigu, secretary of the ...

(Majid Asgaripour/AP) Iran’s nuclear program is advanced although it lacks atomic-weapons capability, while Israel is considered an undeclared nuclear-weapons power. Iran has significantly ...

Gabbard said that Kim Jong Un is likely preparing to order North Korea's first nuclear test in over six years.

Prime Minister Benjamin Netanyahu addressed the citizens of Israel in a pre-recorded message on Saturday shortly after Shabbat ended. The video came as the US and Iran conducted the second round ...

As Iran’s nuclear program advances, the critical question of whether Tehran would need to conduct nuclear tests to ensure its weapons are effective looms over the consciousness of the international ...

Nuclear weapons largely fell from the forefront of ... But “from a geology time scale, that’s really fast.” Although not at a level where it would cause health effects, the plutonium had ...

Japan meets both criteria: it has a large-scale fissile material production capability and a restrained nuclear program. Nobody thinks that Japan is racing to a bomb today. But everybody knows that it ...