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

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 ...

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, ...

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

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.

The navies of Russia and China are conducting joint artillery and anti-submarine drills in the Sea of Japan, near the Russian ...