Despite progress in reducing nuclear weapon arsenals since the Cold War, the world’s combined inventory of nuclear warheads remains at a very high level.

The Nuclear Information Project provides the public with reliable information about the status and trends of the nuclear weapons arsenals of the world’s nuclear-armed countries.

The Defense Posture Project tracks disruptions to strategic stability in order to provide innovative concepts for maintaining deterrence over the coming decades.

The Pentagon is currently planning to replace its current arsenal of intercontinental ballistic missiles (ICBMs) with a brand-new missile force, despite budget and life-cycle concerns.

The FAS Nuclear Notebook is one of the most widely sourced reference materials worldwide for reliable information about the status of nuclear weapons.

For decades, the Federation of American Scientists website has hosted vast and valuable archives of data relating to nuclear weapons.

To empower new voices to start their career in nuclear weapons studies, we’re pairing emerging leaders with a senior academic or policy expert to co-author a research project that provides a creative perspective on nuclear deterrence policy.