The Doomsday Clock moves closer to midnight as analysts debate nuclear deterrence effectiveness amid rising tensions with Russia over Ukraine and China's arsenal expansion.

Russia’s threats to use nuclear weapons in Ukraine helped usher in this new era, but the underlying developments are deeper.

Eighty years ago today, the innocent ways of the world, or as innocent as they could be, blew up. At 8:15 a.m. on August 6, ...

The acting administrator of NASA, Sean Duffy, announced a directive to build a powerful nuclear reactor on the moon, but it ...

Many aging Hiroshima survivors express frustration over growing global support for nuclear weapons as deterrence.

The M51 SLBM exemplifies France’s commitment to nuclear deterrence, evolving from conceptual designs in the 1980s to a sophisticated weapon system operational in the 2020s.

The Russian and Chinese navies have practiced hunting and destroying an enemy submarine in the Sea of Japan, Russia's defence ...

The Kremlin says Russian President Vladimir Putin is holding talks with U.S. President Donald Trump’s special envoy Steve ...

Siegfried Hecker, former director of the Los Alamos National Laboratory, expresses concern that, 80 years after the bombings ...

By instituting a two-person rule for US nuclear weapons use, Donald Trump will have single-handedly reduced the danger of ...