President Donald Trump seems to have learned the lesson painfully gleaned by all his 21st-century predecessors: You can’t reset US relations with Vladimir Putin.

Trump’s decision to help Ukraine fight an onslaught of Russian attacks reverses a Pentagon decision to withhold defensive weapons.

Republican defense hawks are riding high after a series of events abroad prompted President Donald Trump to lean away from his more quasi-isolationist roots in his first term. His bombing of Iran, increased aggression toward Russia,

Secretary of State Marco Rubio relayed President Donald Trump’s “disappointment and frustration” during a “frank conversation” with Russian Foreign Minister Sergey Lavrov in Malaysia on Thursday but new ideas to drive an end to the conflict were also discussed,

Trump said at a Cabinet meeting that he was "not happy" with Putin, who he forcefully criticized for a second day in a row.

Senate sanctions bill targeting Russia's energy exports with hefty tariffs gains momentum as Trump shifts position on Russia, with Graham teasing presidential support.

Russian President Vladimir Putin’s forces launched a massive aerial assault on Ukraine early Thursday for the second time in two days.

U.S. President Donald Trump said Thursday that the U.S. will send weapons to Ukraine via NATO, with the alliance covering 100% of the costs. Trump also hinted at a major statement on Russia set for Monday,