Ukraine obtains classified data on Russia's newest nuclear submarine, intelligence claims * 'Productive' phone call with ...

Trump reveals nuclear submarine movements to counter Russian threats over Ukraine, marking a rare instance of a U.S.

Former President Dmitry Medvedev, who often issues threats on social media, told the world to "expect further steps" ...

The Kremlin downplays Donald Trump's nuclear sub move, urges caution in rhetoric after his clash with Dmitry Medvedev.

Russia-U.S. ties have been marked by escalating tensions in recent weeks, with Trump saying he had ordered two nuclear ...

Russia has declared it's no longer considers itself bound by a self-imposed moratorium on deploying nuclear-capable ...

Satellite images show damage to Russia's Rybachiy nuclear sub base after a powerful July quake. Tensions rise as Trump, ...

Days after President Donald Trump said he deployed nuclear submarines ‘in the region’ of Russia, the Kremlin has issued a ...

The Kremlin has issued its first official statement following President Donald Trump's decision to move two nuclear ...

Russia's withdrawal from the 1987 Intermediate-Range Nuclear Forces Treaty is classic Kremlin tactics ahead of ceasefire ...

Russia has announced it will no longer adhere to limits under the INF Treaty, escalating tensions with the US amid ...