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

RUSSIA and America swapped veiled nuclear threats yesterday ahead of showdown talks between their two presidents over the war ...

There is no sign that Russia has altered its demands for ending the invasion, including territorial claims and guarantees ...

V ladimir Putin is coming to America, despite the international warrant for the Russian president’s arrest, despite his years ...

In a social media post, the president described the move as a deterrent prompted by threats by a former Russian leader. It is ...

The first official statement from the Kremlin about Trump’s move seemed to distance Russian President Vladimir Putin from Dmitry Medvedev’s inflammatory comments.

We’ve grown used to blood-curdling nuclear threats from Russia’s leadership – but this time, Donald Trump has very publicly ...

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

WASHINGTON (Reuters) -Russia appears to be preparing to test its new nuclear-armed, nuclear-powered cruise missile, according ...

Legal scholars say that the United Nations may create a Special Tribunal focused specifically on Russian war crimes related ...

President Donald Trump said he ordered the submarines moved "just in case these foolish and inflammatory statements are more than just that." ...

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