Ukrainian troops are making small gains in Russia's Belgorod region, while Donald Trump has taken a swipe at Vladimir Putin.

Learn more about Russia’s illegal annexation of Crimea from the infographic below and explore the Kennan Institute’s ...

Trump publicly defended Michael Waltz, his national security adviser, over the Signal leak. Behind the scenes, he wondered if ...

Intelligence has recorded Russia's preparation for new offensives. The threat is directed at the Sumy, Kharkiv, and ...