Dmitry Medvedev referenced a rumored Soviet-era nuclear weapon system during an online disagreement with President Trump.

In Trump’s telling, Putin tells him one thing, then does another. The Kremlin leader, whose relationship with Trump has been ...

During his visit to the U.K. on Monday, President Donald Trump expressed further frustration with Russian President Vladimir ...

The Senate’s Republican-led Appropriations Committee is recommending a major increase in Ukraine aid in next year’s defense budget, rejecting the Trump administration’s bid to defund a long-term ...

Mr. Trump said on Monday that he would give Russia about 10 to 12 days to end the war before implementing a new round of ...

A war of words has erupted between Donald Trump and Dmitry Medvedev after the former Russian president issued a veiled threat ...