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 ...

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 ...

Russia took thousands of Ukrainian kids. Can peace talks bring them home? Vladimir Putin could not make out the names of the ...

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.

In case anyone believes President Donald Trump has revised his policy toward Vladimir Putin’s war on Ukraine, don’t be fooled ...

Mass attack hits cities overnight as Ukrainians brace for 50 more days of Russian terror * Putin unfazed by Trump's threats, ...

This winter, he tried to humiliate Ukraine's president, and now allows arms transfers to Kyiv. Behind the dramatic shift in ...

U.S. President Donald Trump's decision to ramp up arms shipments to Ukraine is a signal to Kyiv to abandon peace efforts, ...

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