Two U.S. officials who spoke on the condition of anonymity said the arrangement would be similar to the NATO mutual defense agreement. But crucial details remain unsettled as negotiators seek a deal that Russia will approve.

Ukraine's war-planners smashed Kremlin refineries in a second night of drone attacks, as the British government warns WWIII may come and the entire country may go on a war-footing

At least two people were killed in a drone attack in Russia’s southwestern Saratov region, and parts of Ukraine went without power following targeted assaults on energy infrastructure, local authorities said Saturday,

Much of Ukraine’s largest Black Sea port was without power, heat and water on Saturday after strikes from Russia, which has shown little appetite for a deal to end the war.

Volodymyr Zelensky's forces destroyed a major explosives factory and a power plant in response to a barrage of Russian missiles as work continued on a 20-point peace plan to end the war

Russia charges 41 Ukrainian officials with "genocide" as the International Court of Justice allows Russia to present its accusations to the court.

NATO Secretary-General Mark Rutte issued a stark warning to Western allies about the reality of the threat posed by Russia, as negotiations are making slow progress to end the war in Ukraine and the U.S. pressures Kyiv to make painful compromises with the Kremlin, including on territorial concessions.

Beginning in 2014 with the annexation of Crimea, the conflict between Ukraine and Russia steadily escalated into one of the largest wars in Europe since 1945. Using Google Earth, this video maps the war from its origins to the present. It traces the first ...

Britain, France and Germany have been working to refine US proposals for an end to the fighting with Russia, which in a draft disclosed last month called for Kyiv to cede more territory, abandon its NATO ambitions and accept limits on its armed forces.