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

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

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

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

President Donald Trump has reportedly hinted that his nuclear submarines are now "in the region of Russia" after he ordered ...

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

In 2017, during his first term as US president, Trump announced that he had sent two nuclear submarines to the Korean ...

In a warning to Russia, President Donald Trump said Friday he's ordering the repositioning of two U.S. nuclear submarines ...

Former Russian President Dmitry Medvedev on Thursday told U.S. President Donald Trump to remember that Moscow possessed ...

US President Donald Trump has ordered the relocation of two US nuclear submarines after former Russian president Dmitry ...

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

President Trump says he has "ordered two nuclear submarines to be positioned in the appropriate regions," after comments from ...