Vladimir Putin’s conduct has prompted Donald Trump’s shift as Russia’s war effort in Ukraine has gotten only more aggressive.

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 ...

Vladimir Putin is convinced his country is strong enough to secure total victory in Ukraine. But the Russian leader is ...

This is a bombshell, putting to the lie Russian propaganda’s longstanding claim that some spiritual entity called Russia has ...

A Russian official says American Daniel Martindale has been rewarded with citizenship for spying on Ukraine, "by decree of ...

The Kremlin has been rocked by the news that a once staunch ally is considering an exit from a Russian-led military coalition ...

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.

Sitting in the Oval Office with NATO Secretary-General Mark Rutte, and apparently fed up with being slow-walked by Russian President Vladimir Putin, Trump threatened the Kremlin with tough tariffs if ...

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

The call marked the sixth publicly acknowledged conversation between the two leaders since Trump returned to office earlier ...

Daniel Martindale helped the Kremlin target Ukrainian troops and was then spirited out of eastern Ukraine by Russian special ...