Ukraine caught Russia off-guard in its August counter-invasion last year, and succeeded in leveraging a single division of 11 ...

But its successful new Kursk offensive has done more than seize 480 square miles of Russian territory and humiliate Putin.

Russian forces claim to have pulled off an audacious operation, using a subterranean pipeline to sneak past Ukrainian defenses. The reported operation coincided with a full-on Kremlin effort to push ...

In the days since the Trump administration temporarily suspended military and intelligence assistance to Kyiv, Russian forces ...

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.

By Matthew Mpoke Bigg Ukrainian troops have withdrawn from all but a sliver of land in Russia’s Kursk region, according to military analysts and soldiers, as their monthslong campaign to occupy ...

according to Ukrainian estimates — to seal off the Ukrainian penetration is overloading rail stations in the Kursk area and creating shortages of locomotives. BelZhD, the union representing ...

The fierce battle for the Kursk region has framed efforts by Trump to end what he says is a "bloodbath" war that could escalate into World War Three. Russia’s invasion of Ukraine in February ...

Ukraine says as many as 11,000 North Korean troops are fighting with Russia in Kursk, though Russia and North Korea have refused to give any details on North Korean troops there. The fierce battle for ...