Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology.

Still, the overall military balance favors Russia, and Ukraine remains dependent on intelligence sharing and arms supplies from its Western partners, particularly the United States. 2. Russia ...

US Defense Secretary Pete Hegseth will not attend the next top-level Ukraine support planning conference next week, a move that will leave the main Western nation forum for coordinating military and ...

The Ukrainian Defense Forces abide by the terms of the "energy ceasefire" therefore any reports of Ukrainian attacks on energy facilities either on the territory of Russia or within the temporarily ...

Ukraine's military chief of general staff said the strike proved Russia is "in no way seeking peace" but rather intends to "continue its invasion" against Ukraine. A Russian missile strike has ...

A bitter and bloody war in Ukraine has devastated the country ... analysts of open-source intelligence and Russian military bloggers. The advance comes as cease-fire talks continue.

March 26, 2025 • The White House says it has secured an agreement with Russia and Ukraine on the Black Sea, to ensure safe navigation, eliminate the use of force and prevent the military use of ...

Retired Lieutenant General Dan Caine, U.S. President Donald Trump's nominee for the chairman of the U.S. Joint Chiefs of Staff, underscored the importance of U.S. military support for Ukraine in a ...

(Photo by Oli SCARFF / AFP) Denmark has announced a military aid package for Ukraine worth 6.7 billion kroner (€900 million) to help Kyiv battle Russia’s invasion. Danish Defense Minister Troels Lund ...

Defense Secretary Pete Hegseth will not attend a meeting of 50 countries to coordinate military support for Ukraine, multiple European officials and a U.S. official said. (Senior Airman Madelyn ...

These are the key events on day 1,133 of Russia’s war on Ukraine.

Ukraine’s President Volodymyr Zelenskyy, Britain’s Prime Minister Keir Starmer, France’s President Emmanuel Macron speak during a meeting on the sidelines of a summit for the “Coalition of the Willing ...