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

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 ...

China has called for "calm and restraint" following Russian President Vladimir Putin’s decree expanding the circumstances ...

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

Kyiv accuses Putin’s forces of spreading false attack threat after US embassy closes - Biden has approved the provision of ...

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

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

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

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