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.

Nuclear war is much more unpredictable than asteroids, but, unlike the dinosaurs of 66 million years ago, humans can avoid causing their own extinction.

As the threat of a nuclear war intensifies, the terrifying reality of what could happen after the bombs explode may cause more fear than the initial cataclysm. For decades, worst-case scenarios have ...

When atmospheric chemists Paul Crutzen and John Birks added smoke into their computer models of nuclear war scenarios, they ...

Wellerstein said that the initial moment of a nuclear blast is defined by an overwhelming flash of light. “The first thing, if you saw a nuclear weapon go off… the brightness. It’s very bright,” he ...

On Nov. 13, 1972, Terry Christensen was working in his office at Dixon Inc. on Orchard Mesa when he, like others, “felt the tremor.” He added. “We went out and saw the smoke. We saw a mushroom cloud, ...