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
The assistant secretary of state for the Bureau of Arms Control, Verification and Compliance discusses where the United States is headed with various treaties like New START, the Comprehensive Nuclear Test Ban Treaty (CTBT), and the Fissile Materials Cut-off Treaty (FMCT).
Pakistan’s nuclear assets may be tempting targets for terrorists. Experts are split, however, on the actual threat posed. Some assert that Pakistan’s nuclear assets are on the verge of seizure by terrorists, while others contend that the risk is minimal at best.
Mounted in an adapted Boeing 747, the Airborne Laser (ABL) was to be a dream antimissile weapon, acquiring the trajectory of a Scud or other theater-range ballistic missile, pointing a high-power laser beam precisely at a certain area of the fast-moving target, and holding it there unti
Governments regulate risky industrial systems such as nuclear power plants in hopes of making them less risky, and a variety of formal and informal warning systems can help society avoid catastrophe. Governments, businesses, and citizens respond when disaster occurs.
Twenty-five years ago in Reykjavik, Iceland, US President Ronald Reagan and Soviet General Secretary Mikhail Gorbachev walked to the threshold of a nuclear-free world—and then turned back. Reykjavik has since become synonymous with the unforeseen and anticlimactic in nuclear diplomacy.
Since the late 1990s, nuclear weapons scientists at the US Department of Energy’s Los Alamos National Laboratory have faced an unanticipated threat to their work, from politicians and administrators whose reforms and management policies—enacted in the name of national security and effic
Today, China is the only one of five original nuclear weapon states that is increasing its nuclear arsenal. According to some estimates, the country could “more than double” the number of warheads on missiles that could threaten the United States by the mid-2020s.