Ukraine’s continued focus on Kursk shows how important Kyiv believes it is to hold on to Russian land, especially if Trump pushes both sides to the negotiating table.

The Biden administration on Friday imposed its broadest package of sanctions yet targeting Russia's oil and gas revenues in an attempt to give Kyiv and the incoming administration of Donald Trump leverage to reach a deal for peace in Ukraine.

President-elect Donald Trump has tossed expansionist rhetoric at U.S. allies and potential adversaries with arguments that the frontiers of American power need to be extended into Canada and the Danish territory of Greenland,

Donald Trump has refused to rule out using military force to seize the world's largest island, and the Kremlin's concern is no surprise, given the Arctic's growing economic and geopolitical significance to Moscow.

President-elect Donald Trump’s suggestions that international borders can be redrawn — by force if necessary — are particularly inflammatory in Europe.