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.

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

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

Dmitry Medvedev has traveled a long way from his time as Russian president, when he once stood beside then-US President ...

An international war of words erupted on July 30 when U.S. President Donald Trump squared up on social media to former ...

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

Trump said he has ordered the deployment of two nuclear submarines following what he called "highly provocative statements" ...

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

The Russian and Chinese militaries practiced destroying an "enemy" submarine during joint naval drills Wednesday, just days after President Donald Trump moved a pair of nuclear submarines toward ...