Russian President Vladimir Putin firmly rejected Donald Trump’s ultimatum, stating that Moscow will not yield to threats or pressure ...

And so it was, just two days after Donald Trump revealed he had decided to lift his administration’s pause on the supply of ...

Former Ukraine aid critics now back Trump's strategy requiring European funding for weapons to Kyiv after the president ...

A disruption in military assistance to Ukraine, even a relatively short one, could have a disproportionately decisive effect ...

Russian ground advances across eastern Ukraine appear to be small at first glance — only 1.2 square kilometers on an average per day near the city of Kupiansk. Or, as the Institute for the Study ...

Former Russian President Dmitry Medvedev said on Thursday that Russia had no plans to attack NATO or Europe but, if the West ...

US President Donald Trump’s 50-day pause ahead of possible secondary sanctions on Russia gifts the Kremlin a window to ...

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.

President Donald Trump announced this week that the U.S. will send Patriot air-defense missiles to Ukraine and threatened new ...

New developments Tuesday reinforced the idea that President Donald Trump has significantly shifted his view of the Ukraine ...

On Monday, Trump said that Russia's failure to reach a negotiated settlement with Ukraine within 50 days would lead to his ...

It’s important to remember how we got to this point. Trump proposed a peace deal heavily tilted in Russia’s favor—one that ...