As Pentagon Overhauls Nuclear Triad

Part of the Nuclear Power Play: Screening & Discussion, presented with the Pulitzer Center. The Pentagon is preparing for an extensive — and expensive — modernization of the country’s half-century-old land, air, and sea-based […]

Nuclear Winter

Carl Sagan and other Cold War scientists once feared that a nuclear war could plunge the world into a deadly ice age. Three decades later, does this theory still resonate? […]