During the Cold War, the United States carried out terrifying classified experiments involving nuclear explosions in space, ...

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 ...

Studies of the potential climate effects of nuclear war in the 1980s focused on northern hemisphere, large-scale nuclear conflicts, and predicted more extreme global “nuclear winter” scenarios.

Nuclear war is one of the world’s greatest existential threats, so why isn’t there more psychological research on it?

Editor’s note: This is part of the “Nuclear winter: Why study it now?” series. In November of 1981, atmospheric chemist Paul Crutzen and I sat in his office at the Max Planck Institute in Mainz, ...