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 Vladimir Putin intends to keep fighting in Ukraine until the West engages on his terms for peace, unfazed by Donald ...

President Donald Trump is making a surprising pivot on the war in Ukraine, shifting positions on weapon sales and sanctions in a way that makes him look more like his predecessor Joe Biden and less ...

The latest bombardment in Russia’s escalating aerial campaign came ahead of a Sept. 2 deadline set by Trump for the Kremlin ...

Trump has threatened 100% ‘secondary tariffs’ on likes of India and China, which experts warn could cause a global spike in oil prices ...

Officials have warned Russian President Vladimir Putin that a demographic crisis could mean the country he leads will be ...

Putin is only able to prosecute his war through cash flow generated by his sale of oil. That is the only way. Without that cash flow from oil, he can’t continue. We need to cut off his money. We need ...

Since Ukraine’s audacious Operation Spiderweb drone attack on multiple airbases inside Russia in early June, the Russian army has responded with a gruelling advance through Eastern Ukraine, and a ...

Russian President Vladimir Putin has sacrificed an estimated 1 million of his soldiers, killed and wounded, in a three-year ...

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 ...