Three experts spoke to Newsweek about the possibility of Moscow firing nuclear weapons into Ukraine as tensions escalate.

Putin's goals in Ukraine remain the same: weakening Ukraine's ties to NATO, hindering Ukrainian nationalism and territorial ...

Senior Russian security official Dmitry Medvedev said on Tuesday that if the West supplied nuclear weapons to Ukraine then ...

It would be "insane" for the West to give Ukraine nuclear weapons, Russia's foreign ministry has said, in response to reports ...

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

The use of an experimental missile against Dnipro was designed to send a message to Biden that Moscow has no intention of ...

Russia’s attacks on the power grid and Ukrainian conventional power plants is negatively affecting the safety of Ukraine’s ...

Russia’s decision to fire a ballistic missile at Ukraine on Nov. 21 may be considered a “mock nuclear strike,” expert Robert ...

South Korea’s president met a Ukraine delegation and called for a joint response to North Korea's sending soldiers to support ...

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

Kyiv has rejected a report that suggested that it could develop a nuclear bomb quickly, using plutonium from spent nuclear ...

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