The Kremlin has tried to calm tensions in a feud between Trump and Medvedev that spiraled into nuclear threats.

Former Russian president Dmitry Medvedev has become embroiled in a tense back-and-forth on social media that prompted U.S.

Rolf Mützenich, former leader of the SPD parliamentary group in Germany's Bundestag, has criticised a "nuclear exchange" ...

Trump also rebuked Medvedev in July, accusing him of throwing around the "N (nuclear) word" after the Russian official ...

Did former Russian President Dmitry Medvedev warn President Donald Trump that he should not think that "the Mossad alone has ...

President Donald Trump has ordered the repositioning of two U.S. nuclear submarines. Friday's decision comes after what he ...

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

Tension between the U.S. and Russia has escalated this week as Trump and Medvedev have exchanged harsh statements.

As Trump has said, “Words have meaning”—and threatening to deploy nuclear submarines off the coast of Russia in response to ...

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