US President Donald Trump is trying again to end the war in Ukraine – not by targeting Russia, but by hitting the countries that buy Russia’s oil.

Ukraine seeks ironclad guarantees against future Russian aggression. These can come in two general forms: outside assurances, with the most conspicuous one being the Article V protections that come ...

The Financial Times reported that Trump had encouraged Kiev to punish Putin by striking deep inside Russian territory—perhaps even hitting Moscow—if the U.S. provided it with more long-range weapons.

A humanitarian program for Ukrainians fleeing the conflict with Russia is on pause, and it's not clear if the Trump ...

Smoke and fire billowed into the sky after a Russian drone strike hit the Vinnytsia region of Ukraine on July 16, 2025. The attack targeted civilian ...

Poland is leading European efforts to use frozen Russian assets to fund Trump's $10 billion weapons package for Ukraine rather than burden European taxpayers with the costs.

President Donald Trump has long worked to bring peace to Ukraine, but his recent major policy adjustments in response to ...

As Russia's influence wanes in the South Caucasus due to its war in Ukraine, Armenia and Azerbaijan are strengthening bilateral ties and seeking new partnerships with Turkey, the European Union, and ...

MICHAEL KIMMAGE is Professor of History at the Catholic University of America. He is the author of Collisions: The Origins of the War in Ukraine and the New Global Instability.

Both the "deterrers" and "balancers" of Europe’s security debate have more to learn from each other than they think.

An internal admission from Chinese Foreign Minister Wang Yi reveals Beijing's concern over Russia's defeat in Ukraine, ...

A sustainment formation moves cautiously through contested terrain. It is carrying fuel, ammunition, and essential supplies ...