An urgent call alerts Thailand’s authorities that four radioactive sources have gone missing. When a truck triggers a radiation alarm at the Padang Besar checkpoint at Thailand’s border with Malaysia, ...

Kremlin spokesperson Dmitry Peskov has confirmed that Russia’s nuclear triad — its land, sea, and air-based nuclear forces — has been fully modernized, calling it “the newest nuclear triad in the ...

The mystique of nuclear-powered submarines has been captured by at least half a dozen popular Hollywood films. Some have centered on the drama of undersea warfare and the risk of global nuclear ...