The United States is offering Ukraine security guarantees for 15 years as part of a proposed peace plan. That's according to Ukrainian President Volodymyr Zelenskyy.

Russian President Vladimir Putin's residence allegedly targeted by Ukrainian drones, but drone expert Cameron Chell says the claims lack credibility due to tactical impossibilities.

After a year of Russian advances, the goal for 2026 is simply to survive, said one officer in eastern Ukraine. “It’s hard to make any plans,” he said.

Ukrainian President Volodymyr Zelensky talks battle lines, a corruption scandal distracting the war effort, and more in an exclusive interview with FOX News host Bret Baier on "Special Report." BRET BAIER,

Ukrainian President Volodymyr Zelenskyy calls alleged drone attack on Russian President Vladimir Putin's residence a "complete fabrication" as tensions escalate between Ukraine and Russia.

Leaders from Europe and Canada have held talks on U.S.-led peace efforts to end the war between Russia and Ukraine.

Follow live updates from NBC News as Russian President Vladimir Putin speaks at his annual year-end news conference on Ukraine, peace, war and Trump.

A peace deal in Ukraine means more than ending the fighting now. Volodymyr Zelenskyy wants to ensure Russia does not invade his country again. The only way that can happen, he says, is if the United States guarantees Ukraine’s defense in — and against — any future war.