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Book cover with title, Nuclear Negotiation and subtitle Conditions for Effective Nuclear DIplomacy

Why States Join Multilateral Nuclear Arms Control, Nonproliferation, and Disarmament Treaties

Dr. Stephen Herzog publishes book chapter in volume on nuclear negotiations.

Atomic Responsiveness: How Public Opinion Shapes Elite Beliefs and Preferences on Nuclear Weapon Use

Dr. Stephen Herzog and co-authors investigate how varying levels of public support shape U.S. and U.K. policymakers’ willingness to endorse nuclear use.

nuclear symbol with lines from a graph

Now Accepting Applications: Pilot Course on Radiological Security for Policy Students and Professionals

Graduate students and professionals—particularly from non-technical fields—to learn radiation and radiological security in this comprehensive program.

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Reliable Not Reckless

Dr. Stephen Herzog and co-authors analyze how global publics viewed the Biden administration’s extensive but restricted military aid to Ukraine in 2022-2023.

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Finally a Functional Regime: the reconvening of the Nuclear Suppliers Group in the 1990s.

Dr. Ian Stewart, CNS’s Executive Director in Washington, DC, has published a new article in the Journal of Strategic Trade Control.

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Better know a non-nuke: Iraq

Dr. Stephen Herzog discusses the Iraq case and lessons for nuclear nonproliferation and verification on IISS podcast.

graph of capability index by year.

Artificial Intelligence and Nuclear Weapons Proliferation: The Technological Arms Race for (In)visibility

Dr. Stephen Herzog co-authors one of the first academic articles exploring how AI might affect the spread of nuclear weapons.

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Waiting for Godot at the 2026 NPT Review Conference Review

Some meetings of nuclear Nonproliferation Treaty (NPT) member states are remembered for artistic performances as well as nonproliferation and disarmament achievements.

Layered Verification: Irreversible Nuclear Disarmament and Highly Latent Nuclear States

Layered Verification: Irreversible Nuclear Disarmament and Highly Latent Nuclear States

This report offers a framework for managing proliferation-sensitive capabilities of advanced civilian nuclear powers and former nuclear-armed states.

Daigo Fukuryu Maru

CNS collaborates with the Daigo Fukuryu Maru Exhibition Hall to explore visual narratives of nuclear testing and its humanitarian consequences

We invite readers to reflect critically on the legacy of nuclear testing and to consider the ongoing relevance of efforts toward a world free of nuclear weapons.