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" ...

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

Ukrainian President Volodymyr Zelenskiy thanked European leaders on Sunday for backing his demand for a seat at the table as ...

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

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

Putin’s aide Yuri Ushakov said Alaska was a “logical meeting place” because the United States and Russia are close neighbors ...

“Putin uses Medvedev as a tool to express statements related to nuclear weapons, he doesn’t want to discredit his own good ...

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.

After an online spar with Russia's deputy chairman of Russia's Security Council and former president, Dmitri Medvedev, ...