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The Limits of Russian Power

Why Putin Isn’t Thriving in Trump’s Anarchic World

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Dual-Track Nuclear Disarmament: Institutional Design of the Treaty on the Prohibition of Nuclear Weapons

Dr. Stephen Herzog publishes an article that examines and answers common objections to the Nuclear Ban Treaty.

Safeguards Course

Tuition-Free Nuclear Safeguards Course and Paid Summer Internships in International Nuclear Safeguards

Applicants must either be a currently enrolled graduate student or a young professional in the nuclear nonproliferation field.

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Atomic Backfires: When Nuclear Policies Fail

Dr. Stephen Herzog is the lead editor of a newly published edited volume on counterproductive consequences in nuclear politics.

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Nonproliferation Review Publishes First Special Issue on “Beyond Nuclear Deterrence”

The Nonproliferation Review features a special collection of articles by the Harvard–MacArthur Beyond Nuclear Deterrence Working Group.

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CNS AI and Nuclear Proliferation Research Wins Best Paper 2025 Award

Dr. Stephen Herzog’s work is recognized by the Society for Risk Analysis.

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The IAEA’s “Significant Quantity:” What It Is and What It Isn’t

The IAEA’s Significant Quantity (SQ) is a politically sensitive, approximate amount of nuclear material used as a baseline for determining inspection goals and frequency under the NPT, despite being often misunderstood as the minimum required for a weapon.

Securing the Nuclear Supply Chain: Exploring Counterfeiting and Other Risks

Video: This seminar is on a relatively neglected aspect of nuclear security, the supply chain, discussing counterfeiting and other risks and their impact on nuclear facilities.

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Getting Beyond Nuclear Deterrence: A Research Agenda

Dr. Stephen Herzog and co-authors lay out research directions for thinking about a durable nuclear-weapons-free world.

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The Inherent Unpredictability of Nuclear Deterrence

This essay by Jeff Knopf is the lead article in a special issue of The Nonproliferation Review featuring papers from the Beyond Nuclear Deterrence working group.