
Will Iran Give Up Twenty Percent Enrichment
Since February 2010, Iran has been enriching uranium to concentrations of 20 percent U-235. A stockpile of 130 kg of 20 percent enriched uranium would reduce, by more than half, Iran’s time to develop a bomb. A key unknown is whether Tehran will stop the higher enrichment and, if so, under what circumstances.
To empower new voices to start their career in nuclear weapons studies, the Federation of American Scientists launched the New Voices on Nuclear Weapons Fellowship. Here’s what our inaugural cohort accomplished.
The FAS Nuclear Notebook is one of the most widely sourced reference materials worldwide for reliable information about the status of nuclear weapons and has been published in the Bulletin of the Atomic Scientists since 1987. The Nuclear Notebook is researched and written by the staff of the Federation of American Scientists’ Nuclear Information Project: Director Hans […]
[UPDATED] The Biden administration has decided to add a new nuclear gravity bomb to the US arsenal. The bomb will be known as the B61-13.
New satellite imagery shows that preparations to deploy Russia’s new Sarmat intercontinental ballistic missile are well underway.