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

The U.S. decision to allow Ukraine to fire American weapons deeper into Russia has not increased the risk of a nuclear attack ...

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

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

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

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 ...

Russian President Vladimir Putin says that Ukraine’s "decision-making centers" in Kyiv could be targeted next using a new ...

Russian President Vladimir Putin visited Kazakhstan on Wednesday, and discussed boosting energy and industry ties and easing ...

Washington's decision to allow Kyiv to use U.S.-made weapons to strike deep into Russia has not increased the risk of a ...

Last week, Russia fired its new intermediate-range ballistic missiles at Ukraine and hit a factory in the central city of ...

The latest attack on Ukraine has left Kyiv in darkness and stoked fears Russia could plan to damage the country's energy ...

Russian leader Vladimir Putin announced additional attacks on Ukraine on Thursday, utilizing the latest Russian hypersonic ...