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Fifteen years after it was signed by Russia and the United States, the New Strategic Arms Reduction Treaty is less than one month from expiring. Will the two countries start building up their arsenals again?

The U.S. president said he would act “immediately” if Tehran takes steps to rebuild its nuclear program.

Congress is demanding annual briefings on the U.S. strategic posture, the indefinite deployment of no fewer than 400 “operationally available” ICBMs and a 2034 target for the nuclear-capable sea-launched cruise missile to reach initial operational capability.

Trump on New START: ‘If It Expires, It Expires’

China defends build-up in nuclear policy white paper, White House considers testing options, Russia impatient on New START proposal, Australia debates nuclear weapons on U.S. submarines, and more.

Three decades after the conclusion of the 1996 Comprehensive Test Ban Treaty (CTBT), the treaty has near universal support and has established a global norm against nuclear test explosions.

With two months left before the treaty expires, a quick-fix does not require negotiations, just a commitment by Russia and the United States to continue abiding by the New START limits.

Despite the joint declaration, key details about the terms of the final deal, including whether Saudi Arabia will be permitted to enrich uranium, remain unclear.

U.S. President Donald Trump said he hoped to meet with North Korea’s leader in the “not-too-distant future,” but a senior North Korean official said the Trump administration should not expect its pressure to yield results.

But South Korea’s acquisition of those capabilities would also give the country the ability to produce fissile material for nuclear weapons, raising the risk of proliferation.

The U.S. Defense Department is reforming how it acquires weapons systems by loosening restrictions on defense contractors and emphasizing speed over other requirements, promising a transformational improvement to a widely criticized status quo.

Members of the UN General Assembly’s First Committee voted overwhelmingly to approve two resolutions calling for greater international scrutiny of the risks posed by the military use of AI, with Russia and the United States in notable opposition. 

The U.S. Defense Nuclear Facilities Safety Board will continue its work at limited capacity despite the loss of a quorum earlier this year after a board member stepped down

Nuclear testing is a dangerous vestige of the past that fueled the arms race and the development and deployment of new and more deadly types of nuclear weapons.