The Biden administration will allow Ukraine to use American-supplied antipersonnel land mines to help slow Russia’s ...

The nuclear-resistant mobile bomb shelters are designed to be functional even in Russia’s hard and cold permafrost regions.

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

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

Western leaders dismissed the Russian move as an attempt to deter Ukraine's allies from providing further support to Kyiv, ...

The US embassy in Kyiv is temporarily closed after it received “specific information” of a potential air attack.

The threat to the Ukrainian capital follows news Tuesday that Ukraine carried out its first strike on Russian territory with ...

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

The nuclear deterrent has been Russia's standby argument for years, cyclically invoked during times of heightened ...

French Foreign Minister Jean-Noel Barrot commented on President Vladimir Putin's decision to change Russia's nuclear doctrine ...

The warning arrived amid fears that the war could escalate, a day after Ukraine's military first launched U.S.-made ...