The last nuclear arms pact between the U.S. and Russia is expected to end in February, and is unlikely to be renewed.

"Rhetoric sometimes turns into action in unpredictable ways," a former senior U.S. arms control official told Newsweek.

COMMENT: Steve Witkoff - the president’s international diplomatic Mr Fixit - has failed to bring peace to the Middle East or ...

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 ...

Trump reveals nuclear submarine movements to counter Russian threats over Ukraine, marking a rare instance of a U.S. president openly discussing classified military positioning.

President Trump is rattling the U.S.’s formidable nuclear saber amid his growing frustration with Russian President Vladimir ...

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

Russia urged caution after Trump claimed he redeployed nuclear subs in response to provocative remarks by a senior Russian official.

President Trump confirms nuclear submarines are positioned in region as special envoy Steve Witkoff prepares to visit Russia ahead of ceasefire deadline.

After an ultimatum from US President Donald Trump, the Kremlin responded with threats and referenced the Soviet-era nuclear ...

Heightened tensions with Russia stem from President Trump's ultimatum to Moscow: make peace with Ukraine or brace for sanctions and secondary tariffs.

The US president's announcement that he has moved two nuclear weapons-carrying submarines "closer to Russia" has sparked ...