The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Vienna Convention on the Law of Treaties

Legal aspects of Russia’s New START suspension provide opportunities for US policy makers

By Rose Gottemoeller, Marshall L. Brown, Jr. | Nuclear Weapons

UN Secretary General Antonio Guterres addressing The International Day for the Total Elimination of Nuclear Weapons, Sept. 26th, 2019. Credit: Bones Donovan accessed via Wikimedia Commons. CC-BY-SA 4.0.

Legal and political myths of the Treaty on the Prohibition of Nuclear Weapons

By David A. Koplow, Edward M. Ifft | Nuclear Risk, Nuclear Weapons

Watch the 2025 Doomsday Clock announcement on January 28