The Biden administration yesterday afternoon declassified the number of nuclear weapons the United States possesses. The act reverses the secrecy of the Trump administration, which denied release of the number for three years, and restores the nuclear transparency of the Obama administration.
Read moreThe first ever nuclear detonation––known as the Trinity test––took place in New Mexico on July 16th, 1945. In the decades that followed, nuclear testing contaminated lands, oceans, and people, and triggered a nuclear arms race that continues to this day.
Read moreChina's latest Defense White Paper calls out the US for "undermining global stability."
Read moreAmidst a deepening rift between the United States and Russia about the role of non-strategic nuclear weapons, Russia has begun to upgrade an Air Force nuclear weapons storage site near…
Read moreBy Hans M. Kristensen The Pentagon has decided not to disclose the current number of nuclear weapons in the Defense Department’s nuclear weapons stockpile. The decision, which came as a…
Read moreBy Hans M. Kristensen and Robert S. Norris Our latest FAS Nuclear Notebook has been published in the Bulletin of the Atomic Scientists.
Read moreBy Hans M. Kristensen Russian nuclear weapons have received a lot of attention lately. Russian officials casually throw around direct or thinly veiled nuclear threats (here,…
Read moreA new interactive infographic detailing information on the world’s nuclear arsenals from 1945 to 2013 is now live on the website of the Bulletin of the Atomic Scientists. The Nuclear…
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