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
Japan, China, and South Korea want to reprocess spent nuclear fuel to produce plutonium-based civilian reactor fuels. This could start a nuclear explosive materials arms race in East Asia—something the United States has been all too quiet about.
Lynn EdenRobert RosnerRod EwingLawrence M. KraussSivan KarthaThomas R. PickeringRaymond T. PierrehumbertRamamurti RajaramanJennifer SimsRichard C. J. SomervilleSharon SquassoniDavid Titley
In keeping the hands of the Doomsday Clock at three minutes to midnight, the members of the Bulletin of the Atomic Scientists Science and Security Board mean to make a clear statement: The world situation remains highly threatening to humanity, and decisive action to reduce the danger posed by nuclear weapons and climate change is urgently required.
In a welcome but little-noticed development, the United States recently encouraged fellow members of the Biological Weapons Convention to take a deeper interest in “tacit knowledge,” a key determinant of bioweapons development, but one that nonproliferation efforts have largely ignored.
The US Energy Secretary takes a little time this week to provide Bulletin readers with a quick update on the administration's efforts to convince Congress and the American people to support the Iran nuclear agreement
A typhoon was coming, the fuel pump failed, they had to switch planes, things were wired incorrectly, they missed their rendezvous, they couldn’t see the primary target, they ran out of gas on the way home, and they had to crash-land. But the worst part was when the Fat Man atomic bomb started to arm itself mid-flight.
Over the last two years, the Bulletin of the Atomic Scientists and the University of Chicago have created an online tool that will help countries understand the true cost of choosing the reprocessing route—and perhaps help limit the spread of nuclear reprocessing. Here's how.
Lynn EdenRobert RosnerRod EwingSivan KarthaEdward "Rocky" Kolb Lawrence M. KraussLeon LedermanRaymond T. PierrehumbertM. V. RamanaJennifer SimsRichard C. J. SomervilleSharon SquassoniElizabeth J. WilsonDavid TitleyRamamurti Rajaraman
Today, more than 25 years after the end of the Cold War, the members of the Bulletin of the Atomic Scientists Science and Security Board have looked closely at the world situation and found it so threatening that the hands of the Doomsday Clock must once again be set at three minutes to midnight.