The 4-year-old document is known as Russia nuclear doctrine and President Vladimir Putin has signed a revamped version lowers ...

Worries about a nuclear escalation to the Russia-Ukraine war rattled markets, stealing focus from Nvidia and Walmart earnings ...

British Prime Minister Keir Starmer said on Tuesday that Russia was guilty of making "irresponsible rhetoric" after Russian ...

Leaders of the world's 20 major economies gathered once again on Tuesday with a lighter schedule after they issued a joint declaration the night before.

The new doctrine allows for a potential nuclear response by Moscow even to a conventional attack on Russia by any nation that ...

Poland’s head of state accused Chancellor Olaf Scholz of trying to cut Donald Trump out of talks over the future of Ukraine ...

Russian President Vladimir Putin on Tuesday lowered the threshold for a nuclear strike in response to a broader range of ...

Russian President Vladimir Putin on Tuesday lowered the threshold for nuclear weapons use, just two days after the U.S.

A detailed look at the human and economic cost of Russia's invasion of Ukraine, which has marked its 1,000th day on November ...

Fox News senior strategic analyst Gen. Jack Keane (ret.) discusses Russia's reaction to the U.S. giving Ukraine long-range ...

Trump’s second term in office will have repercussions for US policy on Russia, Ukraine and NATO. Bloomberg reporters answer ...