President Vladimir Putin said on Thursday that Russia would use all weapons at its disposal against Ukraine if Kyiv were to ...

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

Vladimir Putin has issued his latest threat following US media reports that the Biden administration had discussed returning ...

Russia will use all weapons at its disposal against Ukraine if it was to acquire nuclear arms, President Vladimir Putin ...

Newsweek used maps produced by Alex Wellerstein, a professor and historian of nuclear technology, to assess what the impact ...

A Russian strike on energy infrastructure in western Ukraine on Thursday left more than 1 million people without power, ...

The U.S. decision to allow Ukraine to fire American weapons deeper into Russia has not increased the risk of a nuclear attack, which is unlikely, despite Russian President Vladimir Putin's ...

‘Never been one.’ Perkovich’s definition of a nuclear threat is literal and rare—if not controversial. He said that, as far ...

Vladimir Putin has warned that Moscow may order strikes on "decision-making centres" in Kyiv. Meanwhile, reports suggest ...

President Vladimir V. Putin said Russia has been selecting targets for missile strikes in Kyiv and that they might include ...

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

The Russian dictator said he would use the new Oreshnik missiles to turn areas of Ukraine “to dust” in blasts “comparable to nuclear weapons” during a speech in Kazakhstan ...