European leaders’ responses to the recent Israeli and United States attacks against Iranian nuclear facilities have been striking for both their muted tone and their apparent acceptance of violations of international law.
Nuclear expert Robert E. Kelley talks about hype, misinformation and genuine proliferation risks around the smuggling of nuclear materials.
Plans to develop and deploy advanced weapon systems in the Nordic region are meant to strengthen NATO’s deterrence, but they risk having unintended consequences for security.
This essay briefly summarizes the potential escalation risks at the space–nuclear nexus. It also considers some of the difficulties in addressing this nexus in existing multilateral forums and suggests ways to overcome them.
Closer integration of the women, peace and security agenda with the governance of biological, chemical and nuclear weapons could have benefits for both.
Russia’s invasion of Ukraine in February 2022 and the nuclear threats it has made since have driven a new wave of militarization in Europe. Amid rising tensions, this SIPRI Essay argues for caution in the nuclear domain to prevent escalation and maintain a balance in Europe's security landscape.
The latest review cycle of the 1968 Nuclear Non-Proliferation Treaty (NPT) reached an unsatisfactory conclusion on 26 August, when the Russian delegation blocked agreement on a final outcome document.
On 3 January, the leaders of the five permanent members of the UN Security Council (China, France, Russia, the UK and the USA, the P5) jointly stated that a nuclear war cannot be won and must never be fought. It had never been affirmed simultaneously by all five.