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

BERLIN — Russia will no longer abide by a defunct treaty prohibiting the deployment of intermediate-range missiles, the ...

Russia’s former President Dmitry Medvedev on Monday accused NATO countries for the abandonment of the moratorium on the nuclear treaty.

The Kremlin warned Monday against “nuclear rhetoric” after President Trump repositioned two nuclear submarines because of ...

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

Moscow downplayed President Trump's announcement that he'd ordered two nuclear submarines to "the appropriate regions" after ...

Mr. Trump's special envoy, Steve Witkoff, is headed to Moscow this week ahead of a deadline on a Ukraine ceasefire.

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

President Donald Trump confirmed Sunday that two U.S. nuclear submarines have been deployed "in the region" near Russia, ...

"There'll be sanctions, but they seem to be pretty good at avoiding sanctions," Trump told reporters. US President Donald ...

Ukrainian spies may have just dealt a major blow to the security of Russia's nuclear submarine fleet, revealing sensitive ...