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.

Russia bombed Ukrainian cities in open defiance of Trump's ceasefire ultimatum, casting doubt on his leverage with Putin.

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

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.

Exiled Russian journalists Andrei Soldatov and Irina Borogan tell Newsweek about Vladimir Putin's crackdown and their book "Our Dear Friends In Moscow."

President Donald Trump has credited First Lady Melania Trump for influencing his tougher stance on the Russia-Ukraine conflict.

Putin further escalated tensions Sunday by placing Russia's nuclear forces on alert. A number of Russia-watchers have used words like "erratic" and "unhinged" to describe him. But one former CIA ...

President Donald Trump’s ultimatum to Russia to accept a peace deal in Ukraine within 50 days or face bruising sanctions has given the Kremlin extra time to pursue its summer offensive