These weren't concepts that lived only on paper. Every weapon on this list reached at least the prototype or testing stage.

Eight of the world’s nine nuclear powers detonated a device before anyone called them nuclear powers. The ninth is Israel, and its case has gone unresolved for 47 years. Iran has detonated nothing.

The claim that Britain’s nuclear weapons makes us safe – the myth that this government like every other before it continues ...

As Russia threatens nuclear strikes on Ukraine and the West, leading arms scholars say it’s urgent to abolish nuclear weapons ...

Nuclear reactors and atomic bombs both rely on nuclear fission, but does that mean that a reactor could turn into an atomic ...

The year is 2025 and militants have attacked India’s parliament, killing most of its leaders. New Delhi retaliates by sending tanks into the part of Kashmir controlled by Pakistan. Fearing it will be ...

The Western defence alliance NATO plans to expand nuclear deterrence in Europe in light of the ongoing threats from Russia under President Vladimir Putin, according to information obtained by dpa.