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Do Tripwires Deter? How Small Forward Deployments Contribute to Deterrence
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Who Owns the Moon? A Case Study on Helium-3
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Elections in Brazil: What Comes Next
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In The NewsAI Weapons: Is Human Control an Illusion?
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The Iran War
Since February 2026, the U.S. and Israel have been engaged in warfare with Iran, triggering a rapidly escalating regional conflict with profound consequences for global security, energy markets, & nuclear stability. Belfer Experts comment on the latest.
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On Enriched Uranium and (Iranian) Nuclear Bombs
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Celebrating International Security at Fifty Years
Fifty years ago, the founders of International Security hoped that its creation would help revitalize the academic study of international security.
Today, International Security is one of the most widely cited journals in the field of international relations. The contents of the journal constantly evolve in response to world events, new scholarly developments, and its contributors’ particular interests, but it remains a vital resource for scholars and students alike.
Great Power Rivalry and the Room for Statecraft
Can strategic competition be managed? In October 2026, the Belfer Reading Brief examines the foundations of U.S.–China rivalry, the ways states seek advantage, and the possibilities for shaping a more stable relationship.
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The Great Rivalry: China vs. the U.S. in the 21st Century
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Reports & PapersA Pre-mortem on The First Major AI-Enabled Terrorism Event and The Choices That Could Enable it: Plus 9 Predictions
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Computational Statecraft: An Overview
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Event SummaryRecent Developments in Energy and Nuclear Power in Japan
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Bits-to-Watts: Connecting Markets and Prices for Compute and Power
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Reports & PapersCountering Drone Proliferation from Russia’s War Against Ukraine: Implications for Arms Control and Security Governance
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ISA/APSA International Security Studies Conference