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Europe’s security landscape is entering a more uncertain nuclear age. The return of major war to the continent, repeated nuclear sabre-rattling from Moscow, the weakening of arms-control frameworks...

How does public opinion influence the credibility of coercive nuclear threats, and how does it enable and constrain strategies of nuclear coercion? Drawing on original survey data, we investigate w...

How might artificial intelligence (AI) change the way militaries plan and fight campaigns? RAND researchers developed Camp(ai)gn, an unclassified operational-level wargame, to explore that question.

Strategists must understand the great powers’ different approaches to nuclear use.

Cowinner of the APSA Conflict Processes Section Book AwardIn The Remote Revolution Erik Lin-Greenberg shows that drones are rewriting the rules of international security—but not in ways one would...

Archival Research for International Relations is an indispensable guide to why archival sources can be invaluable for IR scholarship and how to use archives effectively. More IR students and scholars....

Summary. While “people” have always been fighting in wars, the concept of “People’s War” came to hold a special meaning in the 20th century. Most succinctl

Published in The Washington Quarterly (Vol. 49, No. 2, 2026)

To navigate the new nuclear age, US policymakers must revisit the foundational 1960s logic that prioritized strict nonproliferation, valued diplomacy over costly arms races, and legally linked nonprol...

Abstract. Organized forced migration comprises various types of state-led displacement, such as population transfers, expulsions, exchanges, repatriations

The SHASS Faculty Fellows Program, administered by the MIT Human Insight Collaborative (MITHIC), supports the creation of new opportunities for research and collaboration among faculty.

Are nuclear threats useful for compellence? We argue that the current debate between nuclear coercionists and pessimists is misleading because it fails to adequately incorporate strategic selection...

To hold the island, U.S. troops would need to dig in as protection against Iranian missile attacks, a retired senior defense official said.

The Iran war has demonstrated that U.S. forward-deployed forces in the Middle East no longer enjoy sanctuary from attack.

Israel announced it’s expanding attacks in Lebanon, targeting the outskirts of Beirut.

Differences in national narratives shape the lessons each side has drawn about deterrence doctrine, escalation dynamics, and technological capability.

Conservatives are voicing criticisms after Hegseth unceremoniously fired a top military leader