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Image of a globe focused on East Europe and parts of western Russia.

Ukrainian Drone Incursions into Baltic States, Russian Electronic Warfare Countermeasures, and International Law

Experts unpack the international law implications of recent incursions of Ukrainian drones into the airspace of Baltic countries due to Russian electronic warfare tactics.
Collage of the Israel-Iran conflict

Collection: Iran, Israel and the United States at War (2025-2026 Operations)

Experts analyze the US-Israel Iran military conflicts - covering nuclear diplomacy; strategic, security, and regional implications; and domestic and international law.
U.S. Secretary of Defense Pete Hegseth listens as Chairman of the Joint Chiefs of Staff Gen. Dan Caine testifies before the Senate Armed Services Committee in the Dirksen Senate Office Building on June 18, 2025 in Washington, DC.

At the 60-Day Mark, the Iran War is Triply Illegal

Under the War Powers Resolution, Trump must now terminate the hostilities against Iran he began two months ago. He seems set against doing so.
Wide view of Tehran’s skyline with several tall plumes of grey smoke rising between apartment buildings under a hazy, grey sky.

An Unserious Justification for an Unnecessary War: Assessing the U.S. “Article 51” Letter to U.N. on Iran War

Former US State Department attorney writes that the United States' "Article 51" letter to the UN Security Council fails to identify legal basis for Iran attack.
A plume of smoke rises following a reported explosion in Tehran on February 28, 2026. Israel's defence ministry announced February 28 it had launched a "preemptive strike" on Iran as sirens sounded in Jerusalem and people across the country received phone alerts about an "extremely serious" threat.

International Reactions to Military Strikes on Iran: A Tipping Point for the UN Charter?

Positions taken at the UN Security Council are a harbinger of whether the legal cornerstone of the international order that is designed to maintain world peace can hold.
Protesters hold Iranian pre-Islamic revolution of 1979 flags in front of the United Nations office in Geneva​, Switzerland on February 17, 2026.

What the Current Crises Facing Iran Mean for Human Rights and Rules on the Use of Force

The human rights crisis in Iran reveals the limits of a legal system designed to restrain force even when restraint carries profound human costs.
A person wearing a Panamanian flag steps on a U.S. flag.

Upending the International Order: Why Undermining the UN Charter and US Defense Commitments is Self-Defeating

The President should understand that bellicose threats and unreliability as an ally may leave the United States poorer and more vulnerable on his watch and will frustrate his nuclear…
A black and white photo of a UN chamber showing delegates convened for the 12 April 1974 Second Session of the Committee on the Question of Defining Aggression, United Nations Headquarters, New York. Photo: United Nations Audiovisual Library of International Law.

Using the 1933 Soviet Definition of Aggression to Condemn Russia Today

Putin has tried to reinterpret or delegitimize "aggression" to permit his attack on Ukraine – but the very definition of aggression, and its prohibition, can be traced to a pre-WWII…
A black and white photo of a UN chamber showing delegates convened for the 12 April 1974 Second Session of the Committee on the Question of Defining Aggression, United Nations Headquarters, New York. Photo: United Nations Audiovisual Library of International Law.

Використання радянського визначення агресії 1933 року для засудження Росії сьогодні

"Що саме кваліфікується як злочин агресії, поки не зовсім зрозуміло, але ніхто, хто є свідком російського…
A view of a deserted migrants' camp on the Belarusian-Polish border in the Grodno region on November 18, 2021. (Photo by LEONID SHCHEGLOV/BELTA/AFP via Getty Images)

On Empathy, Scholarship, and Political Action: A Response to Lahmann

The situation on Belarus's borders sparks a debate on the appropriate path for international legal scholars. The latest from Aurel Sari and Ben Hudson.
Image: Polish law enforcement officers stand at the frontier at the Bruzgi-Kuznica border crossing where migrants gathered aiming to cross into Poland, in the Grodno region on November 16, 2021. (Photo by MAXIM GUCHEK/BELTA/AFP via Getty Images)

Stirring Trouble at the Border: Is Belarus in Violation of International Law? – Part 1

Belarus has been criticized for using desperate migrants to pressure EU borders. But is it breaking international law by doing so?
Iran's Ambassador to the United Nations Majid Takht Ravanchi holds up maps of the Strait of Hormuz while speaking to the media before a meeting with other UN members on the escalating situation with the United States At United Nation headquarters on June 24, 2019 in New York City.

Iran’s Shifting Views on Self-Defense and ‘Intraterritorial’ Force

Iran’s justification for shooting down a US drone suggests a subtle shift in its understanding of international law.
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