President Donald Trump said the U.S. will send more Patriot air-defense batteries to Ukraine, which Kyiv has said it needs to protect itself from Russian airstrikes.

Ukraine’s Security Service said that it had killed two Russian agents suspected of killing a Ukrainian intelligence officer ...

President Donald Trump said he is "very disappointed" in Vladimir Putin for bombing Ukraine overnight on Saturday.

The roar inside MetLife Stadium on Sunday when Chelsea beat Paris Saint-Germain 3–0 in the FIFA Club World Cup final sounded like a triumph for soccer in the United States. Blue and red shirts, chants ...

The United States, Trump stressed, would not pay for them as he heaped fresh criticism on Russian President Vladimir Putin.

Ukraine is targeting Russian drone factories—striking warhead labs, antenna sites, and control centers deep inside the country.

John Wagner, a retired US Army officer and former executive in the Trump administration, said that foreign powers have been keeping a "sharp eye on drone activity between Ukraine and Russia." ...

Ukraine and Russia have escalated their shadow war of espionage, sabotage, and assassinations, with both countries claiming a ...

Trump said he would end the war in Ukraine within his first 24 hours in office. His patience with Russia's Putin now appears ...

Ukraine's security agency says it has killed Russian agents suspected of assassinating a senior officer in Kyiv.

Ukraine’s drone swarms beat Russia. A Pentagon official says the US needs the same strategy in space—before China takes the lead.

Ukraine’s farmers, especially those near the front lines, are caught between the demands of the armed forces and Russian ...