Nuclear Weapons

On October 24, 2020, following Honduras’ ratification, the UN announced the Treaty on the Prohibition of Nuclear Weapons (TPNW) would enter into force on January 22, 2021. Accompanying…

For too long, too many people in the U.S. military, in government, and in the general public have not fully contemplated how disastrous using nuclear weapons was and could be.…

Latest in a series of top experts exploring proposals to restore and promote nonpartisan principles of good government, public integrity, and the rule of law.

Treaty on Prohibition of Nuclear Weapons gains 50th signatory; schools face terror attacks in multiple countries; COVID-19 infections interrupt UN meetings; UN expresses concern…

The US and other major nuclear powers tried to slow the momentum, but the treaty has already changed the conversation.

Security Council holds emergency meeting on Armenia-Azerbaijan conflict; tensions flare between China-US; progress and challenges in Sudan peace process; island nations warn, “Climate…

(Editor’s Note: This is the latest in Just Security’s weekly series keeping readers up to date on developments at the United Nations at the intersection of national security,…

An extension of New START would provide the United States the time and space to negotiate a follow-on arms control accord with Russia, China, and other nuclear powers.

Any US efforts that undermine key treaties would erode the global nonproliferation regime that advances the safety of civil nuclear technologies.

How do progressive activists find agency facing a nuclear weapons complex backed by the most powerful militaries in the world? Answers may lie in the history of the struggle against…

Renewed questions over the US nuclear umbrella, NATO and a new fighter jet obscure the reality of the country's most likely options.

Almost every problem that critics say this nuclear-weapons pact doesn't solve would be aggravated if the treaty expires.