The reaction to President Donald Trump’s latest ultimatum to Russian President Vladimir Putin might best be described as dismissive scorn. “As so often with Trump, the teaser was more interesting than the main show,

A coalition of Ukrainian hackers breached and wiped systems belonging to Gaskar Group, a Moscow-based drone maker.

Trump asked Volodymyr Zelenskyy whether Ukraine could strike Moscow, an inquiry that the White House says was merely a question but one that came hours after he voiced frustration at Putin’s refusal to accept a ceasefire.

Trump's moves underline his growing disenchantment with Russian President Vladimir Putin over the lack of progress in U.S.-led efforts to secure a ceasefire.

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

Two Russian agents were killed by Ukrainian security forces Sunday following reports that the Russian operatives assassinated Ukrainian Colonel Ivan Voronych.

U.S. President Donald Trump has privately encouraged Ukraine to step up strikes deep in Russian territory, even asking Ukrainian President Volodymyr Zelenskiy whether he could hit Moscow if the U.S. provided long-range weapons,

President Donald Trump's ultimatum to Russia to accept a peace deal in Ukraine within 50 days or face bruising sanctions on its energy exports has given the Kremlin extra time to pursue its summer offensive.