Xi Jinping is almost surely comfortable with Vladimir Putin’s threats to use his most destructive weapons against Ukraine.

Russia's Dmitry Medvedev warned of nuclear war if the U.S transfers nuclear weapons to Ukraine: "The consequences are obvious ...

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

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

Russian President Vladimir Putin on Thursday praised US President-elect Donald Trump as an “intelligent and experienced” ...

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

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

Lucy Easthope, an adviser in emergency management and response, gives Yahoo News insight into how prepared the UK really is ...

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

Russia may use its new Oreshnik hypersonic missile to attack "decision-making centres" in Kyiv in response to Ukraine's ...

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