Ukraine's Zelensky said he cannot cede land to Russia as he has no legal or moral right to do so. Follow Newsweek's live coverage.

Russia has launched a significant missile and drone attack on Ukraine, coinciding with ongoing U.S.-mediated peace talks.

Ukrainian President Volodymyr Zelensky will meet with European leaders in London today after talks between US and Ukrainian negotiators came to a halt with no breakthrough. Follow for live updates

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.

U.S. special envoy Steve Witkoff meets with Russian President Vladimir Putin in Moscow to bring a peace plan to end the nearly four-year war with Ukraine.

NATO fighter jets were scrambled and air defense systems put on alert in Poland in response to Russia’s latest overnight drone and missile strikes in Ukraine.

NATO has been on high alert since Russia invaded Ukraine more than three and a half years ago, but a recent spike in the alliance’s airspace violations has security experts increasingly concerned that warnings of war with Moscow are no longer theoretical ...

WASHINGTON – Russia is holding tens of thousands of kidnapped Ukrainian children in a sprawling, "potentially unprecedented" network of more than 200 militarization and "brainwashing" camps, according to a Sept. 16 report from a group of war crime ...