MIT researchers think they've worked out exactly how Russia's Burevestnik nuclear-powered missile flies. "It's almost certainly a terrible idea," one analyst said. "But it's not an impossible idea."

Russia has reportedly conducted a test of a new nuclear-capable and nuclear-powered cruise missile, which President Vladimir Putin claims is designed to bypass existing defence systems as it moves closer to military deployment. Video footage released on ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. India continues to bolster its nuclear capabilities amid rivalry with neighbors China and Pakistan, as it is expected to soon ...