The Russian leader is convinced that Moscow’s battlefield superiority is growing, and that Ukraine’s defenses may collapse in the coming months, according to people close to the Kremlin.

Ukraine said Saturday it struck a Russian airbase that military officials called a "home base" of some fighter jets.

The use of prohibited chemical weapons by the Russian military had become "standardized and commonplace" in Ukraine, Dutch and German intelligence services found.

KYIV, Ukraine (AP) — Russia launched its biggest aerial attack against Ukraine overnight, a Ukrainian official said Sunday, part of an escalating bombing campaign that has further dashed hopes ...

Russia has amassed 110,000 troops in the vicinity of Pokrovsk as part of its efforts to take over the strategic eastern Ukrainian city, the Ukrainian military chief said Friday.

Russian troops have seized control of a key lithium field in eastern Ukraine despite fierce resistance from Ukrainian forces — in a move that some analysts speculate could potentially impact the ...

Russia’s summer offensive signals Putin’s determination to overwhelm Ukraine using mass drone warfare, motorcycle assaults, and Chinese tech support, while betting on scale, endurance, and ...

Russia has seized a village near Shevchenkove in eastern Ukraine, just kilometers from a major untapped lithium deposit, according to a pro-Russian local official cited by Reuters on Wednesday ...

President Trump demanded to know Monday whether Russia actually threatened to supply Iran with nuclear weapons.

Trump accused Medvedev, the deputy chair of the Security Council of the Russian Federation and former president of Russia from 2008-2012, of “casually throwing around the ‘N’ word (Nuclear ...

Russia's U.N. ambassador condemns President Donald Trump's airstrikes on Iran's nuclear sites, warning of a "nuclear catastrophe" and urging diplomacy as Middle East tensions escalate.