The Doomsday Clock is an internationally recognized design that conveys how close we are to destroying our civilization with dangerous technologies of our own making. First and foremost among these are nuclear weapons, but the dangers include climate-changing technologies, emerging... Read More
In this interview, former Los Alamos National Laboratory director Siegfried S. Hecker details one of the world’s great nonproliferation stories—the effort to secure the Semipalatinsk Test Site in Kazakhstan.
Despite the promise of a more transparent future after Russia's ratification of New START in January 2011, the international community’s ability to monitor developments in Russia’s nuclear forces has become more difficult because the Kremlin does not release full aggregate treaty numbers of the
In this Nuclear Notebook the authors highlight the key milestones and facts regarding the nuclear pursuits of the first five states to develop nuclear weapons—the United States, the Soviet Union and Russia, Britain, France, and China.
Although the Obama administration has highlighted the need to secure fissile
material worldwide, domestic efforts to secure highly enriched uranium (HEU)
have been sluggish and uninspired. In the post-9/11 era, the United States has