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.

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

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

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

The Kremlin tried Monday to defuse tensions caused by remarks from one of Russia’s top officials that led President Trump to ...

The Kremlin tried Monday to defuse tensions caused by remarks from one of Russia's top officials that led President Trump to shift two nuclear submarines closer to Moscow.

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