The last treaty between the U.S. and Russia that limited the number of deployable nuclear weapons expired on Thursday, marking the end of decades of arms control agreements between the two countries ...

Space based nuclear command, control and communications (NC3) systems were developed as highly classified and sovereign systems, insulated from external influence and designed to survive in the most ...

AI is being woven into military systems intended to help human commanders make decisions in times of crisis, but there is no real-world data for training machines about nuclear war.

The 2026 NPT Review Conference will be a litmus test of whether the international community can arrest, or at least manage, ...

Since the detonation of the first atomic bombs in 1945, the global security architecture has been fundamentally shaped by the logic of nuclear deterrence (Knopf 2022). The unprecedented destructive ...

For the first time in more than half a century, there are no binding restraints on the buildup of the largest nuclear forces on Earth. The New START treaty expired on Feb. 5, 2026, ending the last ...

Beijing, Moscow and shaken American allies are seeking new warheads as President Trump ends more than a half century of nuclear arms control with Russia. President Trump meeting with President ...

Mr. Hennigan writes about national security, foreign policy and conflict for Times Opinion. See more of our coverage in your search results.Encuentra más de nuestra cobertura en los resultados de ...