Russian President Vladimir Putin has revised his country's nuclear doctrine days after President Joe Biden's latest actions.

Putin’s forces hit with first ATACMS long-range missiles after US decision - Russian president Vladimir Putin has lowered the ...

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

Ukraine fired six U.S.-supplied ATACMS into Russia on Tuesday after Biden authorized Ukraine to fire long-range missiles into ...

Markets experienced volatility Tuesday as investors weigh mounting tensions between Russia and the United States.

Kremlin spokesperson Dmitry Peskov said Tuesday that Russia's new nuclear weapons doctrine means Ukraine's use of Western ...

Moscow's full-scale invasion of Ukraine roiled global energy markets in 2022 as European nations sought to end their dependence on Russian natural gas.

The Biden administration has allowed Ukraine to use Army Tactical Missiles Systems, a long-range missile system that often ...

Ukraine has fired US-made ATACMS missiles into Russia’s Bryansk region, Russia’s Defense Ministry said, in a major escalation ...

Russia said Ukraine has fired U.S.-made longer-range weapons inside its territory days after the U.S. said it would allow ...