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Pigeons fly against a darkened, cloudy sky looming over a skyline of mid-rise buildings in the background and a destroyed concrete building in the foreground.

Ukraine and the Special Tribunal for the Crime of Aggression: Redefining International Justice

The tribunal to prosecute Russia's crime of aggression seeks to close one of the most enduring gaps in international criminal law and strengthen the U.N. Charter.
A wide view of the Security Council meeting on the situation in the Middle East, including the Palestinian question on May 21, 2026. (Via UN Photo) A wide view of the Security Council meeting on the situation in the Middle East, including the Palestinian question on May 21, 2026. (Via UN Photo)

Follow the Law, Not the Plan: Legal Considerations for Third States in Gaza

Third State’s support for Trump’s Gaza plan must remain strictly conditioned on compliance with international law and be continuously reassessed in light of evolving facts.…

Collection: U.S. Lethal Strikes on Suspected Drug Traffickers, Operation Southern Spear, Operation Absolute Resolve

Collection of expert analysis on the legality of the U.S. strike on Venezuelan vessels in the Caribbean, the consequences of the strike, and related issues.
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.
The flag of Mexico flying at United Nations headquarters in new York (via UN Photo)

How Multilateral Powers Can Still Save the World Order

Imperfect as the postwar order may be, the cost of abandoning it would be far greater than the cost of reinforcing it.
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.
US Department of State building with sign in front

On the State Department Memorandum “Operation Epic Fury and International Law”

Former State Department attorney's critique of the Department's Iran war memorandum on “Operation Epic Fury and International Law.”

A Primer on Just War Theory and the Iran War

Leading scholar explains just war theory and the Iran war. An assessment of the Trump administration's response to the Catholic Church.
Plumes of smoke rise following reported explosions in Tehran early on March 3, 2026. The United States and Israel started striking Iran on February 28, killing Iran's supreme leader and top military leaders, and prompting authorities to retaliate with strikes on Israel and across the Gulf. (Photo by ATTA KENARE / AFP via Getty Images)

Over 100 International Law Experts Warn: U.S. Strikes on Iran Violate UN Charter and May Be War Crimes

Over 100 international law experts sign letter on Iran War, UN Charter, and international humanitarian law.
Wideshot view of United Nations Security Council meeting.

Global Governance of Emerging Technologies: Counterterrorism Challenges at the United Nations Security Council

How the UN Security Council governs emerging technologies amid rising terrorist threats, balancing innovation, security, and human rights.
​Grey boxes filled with fragments of ancient pottery collected after an Israeli strike near the archaeological site of the Roman hippodrome in the southern Lebanese city of Tyre.

Self-Preservation and the Erosion of International Law

It is the violation of fundamental principles of international law that ultimately constitutes an existential threat to all members of the international community.
United Nations (UN) Secretary-General António Guterres speaks at a podium at the UN headquarters while a large audience watches.

In the Race for U.N. Secretary-General, Might a Woman Finally Lead?

In 2026, a decades-old question returns to center stage: will this finally be the moment for a woman to serve as U.N. Secretary-General?
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