A key ally of Russian President Vladimir Putin has sent a nuclear-response warning to the West as tensions between Moscow and ...

A close ally of Vladimir Putin has threatened the West with the prospect of nuclear conflict as tensions between Russia and ...

Ukraine gave up its arsenal of several thousand Soviet nuclear weapons in 1994 in exchange for security guarantees from the ...

A government watchdog has accused America’s nuclear commission of not thinking enough about the economic consequences of ...

The U.S. nuclear power regulator has not acted on recommendations to address radiological security risks to the economy and ...

Dmitry Medevedev says he does not expect a change in policy on Ukraine despite the former US presidents views Donald Trumps ...

A dirty bomb is a crude atomic weapon that militants could devise in the unlikely, but possible, event they gain access to small amounts of fissile materials in the nuclear supply chain.

Ukraine is working on a dirty bomb, having all the means to do this ... that Kiev is seriously considering replenishing its nuclear weapon stocks. A high-profile Ukrainian official told the ...