Monument to Bohdan Khmelnitsky with St. Sophia Cathedral in the background in Kyiv, Ukraine (Src: Shutterstock)

Putin’s War with Ukraine: Voices of CNS Experts on the Russian Invasion

A compendium of CNS expert analysis and commentary on the nuclear ramifications of the war, as well as educational materials for expert and general audience.

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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.

Center for Nonproliferation Studies Opens Vermont Office

The office’s opening will allow for more collaboration between Vermont students and the CNS program.

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Russia Isn’t Done With Syria

How Moscow Has Retained Influence in the Post-Assad Era

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.

Dr. Hanna Notte spoke at the Helsinki Security Forum 2025 on the panel "Russia and the Future of the European Security Order."

Russia and the Future of the European Security Order

Dr. Hanna Notte spoke at the Helsinki Security Forum 2025 on a panel alongside Sam Charap (RAND), Nigel Gould-Davies (IISS) and Sinikukka Saari (FIIA).

War on the Rocks

Russia Is Shrewdly Playing the Long Game in Africa

What if Moscow’s most dangerous moves right now aren’t in Europe, but along the Gulf of Guinea?

Cover of OP67: Putin's New Frontier: The Prospects and Limitations of Africa Corps

OP67: Putin’s New Frontier: The Prospects and Limitations of Africa Corps

This study chronicles the emergence of Africa Corps and assesses its activities since summer 2023 in relevant African states.

Cover of OP66 The Pendulum Swings Back: Envisioning the Future Trajectory of an Increasingly Asymmetric Iran-Russia Defense Relationship

OP66:The Pendulum Swings Back: Envisioning the Future Trajectory of an Increasingly Asymmetric Iran-Russia Defense Relationship

With Russia’s full-scale invasion of Ukraine in February 2022, Iran emerged as an important provider of defense technology to Russia.