World leaders and analysts expressed doubts Wednesday that the change to Russia's nuclear doctrine amounted to much more than ...

U.S. President-elect Trump, who has vowed to swiftly end the conflict, is returning to the White House at a time of Russian ...

Putin lowered the bar for a nuclear attack after the US lifted a ban on Ukraine using long-range missiles. Ukraine carried ...

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

President Vladimir Putin has updated Russia’s nuclear doctrine, two days after his US counterpart Joe Biden granted Ukraine ...

Cedomir Nestorovic, professor at ESSEC Business School, discusses Ukraine-Russia peace negotiations. Bee Gees Star Dead at 78 ...

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

Former U.S. Ambassador to Ukraine William Taylor joined CBS News to discuss Ukraine's use of American missiles in strikes on ...

Russian President Vladimir Putin formally lowered the threshold for his country's use of nuclear weapons Tuesday, after the U ...

A top Ukrainian diplomat warned against any appeasement of Russian President Vladimir Putin, saying that the latest deadly ...

LONDON -- Ukraine is expected to soon begin using American-made ATACMS missiles to hit military targets in Russia's western ...