Veterans and Nevada Test Site downwinders met with congressional leaders, urging recognition for illnesses they say are ...

The FIM-92 Stinger became one of the Cold War’s most influential weapons, but decades later the United States discovered much of the expertise needed to build it had quietly disappeared. This video ...

Nuclear war is one of the world’s greatest existential threats, so why isn’t there more psychological research on it?

The Energy Department may allow up to five companies to use its surplus plutonium — which it has historically been used in ...

Oklo says it is now in rarefied company with the United States Department of Energy, landing in a shortlist of five firms in ...

For years, the federal government has been working on turning old, unexploded warheads left over from the Cold War into a ...

The DOE selected Oklo for a program aimed at converting Cold War-era surplus plutonium into fuel for next-generation nuclear ...

Amid rising nationalism, Japan is accelerating its military buildup. Troublingly, as Japan abandons its postwar pacifism, its ...

Companies say it’s a better way to dispose of the Cold War-era material — and fix a shortage of nuclear fuel. But the plan ...

NATO defense spending hits Cold War highs after pressure from Trump and Russia's war in Ukraine, but experts say real ...

For AI models, there are currently no safety rules that govern the path of actions, which can leads to unanticipated consequences.

The United States blamed the collapse of a U.N. nuclear nonproliferation conference on what it called some countries' ...