President Donald Trump feared Iran's nuclear weapon capabilities. How safe would Pennsylvania and Delaware be during nuclear war or attack? See here.

Nuclear winter causes and effects could trigger global cooling, crop failure, and mass extinction. Understand risks, climate impact, and survival strategies.

From immediate destruction to long-term fallout, the effects of a nuclear apocalypse reach far beyond the blast ...

The previous chapters present the results of the work carried out to address the committee’s charge, including a literature review, calculations, and analysis of information presented by many experts.

At the outset of the Cold War era, the United States and the Soviet Union rapidly built up large nuclear arsenals as part of the prevailing doctrine of deterrence, under which each nation attempted to ...