The Trump administration rejected an offer from Ukraine to partner on technology capable of defending against Iranian drones last year -- the same defense tech the U.S. is now seeking to acquire.

President Donald Trump said Saturday that "the hatred is so great" between Russian President Vladimir Putin and Ukrainian ...

Experts say Vladimir Putin has peruaded U.S. negotiators that he wants to cut a deal – even as Moscow rains missiles and drones on Ukrainian cities.

As Washington focuses on its push to topple Iran’s government, delaying talks on Russia’s war in Ukraine, some in Moscow say the Kremlin must achieve its goals militarily.

Ukraine has hit a manufacturing plant in Russia that manufactures control systems for missiles, Ukrainian President Volodymyr ...