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.

More than 50 per cent of Ukraine’s critical rare earth mineral resources are in regions illegally annexed by Vladimir Putin and partially occupied by his forces ...

Its loss would be much more concerning for Ukraine. Emil Kastehelmi, a military analyst tracking the war in Ukraine for The Black Bird Group, based in Finland, says that a serious encirclement ...

Ukraine Needs U.S. Weapons. Trump Wants Its Rare Earth Minerals. What Gives? The latest twist in U.S. President Donald Trump’s maneuvering to bring Russia’s war on Ukraine to an end?