Every Ukrainian agrees that giving up its "significant stockpile" of nuclear weapons after the Soviet Union fell was a ...

Russia's new nuclear doctrine reflects its hopes to deter Ukraine's allies from a greater role in the war by establishing red ...

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

Russia is again threatening the use of nuclear weapons against Ukraine, as the country lowers its own threshold for when it ...

Crude-oil futures edged higher on Wednesday following a “meaningful escalation” this week in tensions between Russia and ...

The decree lowers the threshold for using nuclear weapons and coincides with the U.S. changing policy on Kyiv's use of ATACMS ...

The Kremlin has repeatedly warned the West against allowing Ukraine to use its long-range weapons to attack Russia directly.

Russian President Vladimir Putin has approved changes formally lowering the threshold at which his country can consider a ...

Ukraine’s power grid is at "heightened risk of catastrophic failure" following Russia’s missile and drone attacks on 17 ...

Russia has begun serial production of mobile nuclear bunkers. The move comes amid the country’s war with Ukraine — and ...

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

WASHINGTON − Ukraine carried out its first strike using long-range U.S.-provided missiles on Tuesday. Later, Russian ...