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 Trump's threats of tougher sanctions, and his territorial demands may widen as Russian forces advance,

Trump's threat against Russia runs parallel to a Senate-led effort to pass crippling sanctions on countries that buy Russian energy.

Explosions rocked Kyiv and multiple other regions in the early hours of July 16, with Ukraine's Air Force issuing repeated warnings of drone and missile strikes across the country, including western o

Keir Starmer, the British prime minister, and Emmanuel Macron, the president of France, are expected to promise today to have their nuclear arsenals work together if Europe is threatened. Private equity firms have entered the $40 billion youth sports industry. Their investments could raise costs for families.

Melania Trump has highlighted Russia's continued attacks on Ukraine in private conversations, President Trump said on Monday.

You might want to call Vladimir and say, ‘Hey, friend, we are still buying stuff from you, but you have got to get serious when it comes to these negotiations on the cease-fire or a peace

Lindsey Graham, one of Trump's closest allies, has always been a staunch supporter of Washington's tough stance on Russia and Iran.