KYIV (Reuters) -Ukrainian forces have stopped Russian troops advancing in the northeastern Sumy region and are now battling ...

Russia claimed Sunday that its forces are for the first time pushing into the central Ukrainian region of Dnipropetrovsk, an ...

Russia is advancing around Kostyantynivka and in the Sumy region with small, fast-moving units as both sides try a new tactic ...

Technological advances have given threadbare militaries and rebel fighters the ability to strike stunning blows against far ...

After too many nights of pulling children from the rubble of Russian drone strikes, the weekend’s devastating attacks on ...

Ukraine unleashed more than a hundred drones smuggled deep into Russia in what it called its most damaging attack yet.

Costing as little as $400 apiece, Kyiv’s flying machines are successfully neutralizing sophisticated Russian equipment worth ...

Russian forces have been moving into Sumy region since April when Kremlin leader Vladimir Putin called for the creation of a ...

Ukraine’s audacious drone attack wounded and embarrassed Moscow ... where two sides square off with mismatched military power, resources or approaches. For years, the U.S. and its partners ...

The attack has prompted Russian military experts to demand a strong and swift response, including "tactical nuclear strikers" ...

Ukraine’s attack also showed advances in operations and military tactics. Iraq was one of the first places where commercial drones were turned into weapons. Irregular warfare is hardly new.

Russia war militarily. But the successful Ukrainian drone attacks do bring Russia’s military weaknesses and miscalculations ...