Comprehensive Test Ban Treaty

black and white photo of people observing a nuclear test explosion in the Nevada desert in 1955; they all hold goggles to their faces to protect themselves from the flash of the blast

National Archives at College Park/Wikimedia Commons

January 14, 2026

The Nuclear Testing Moratorium Passes a Milestone

Dylan Spaulding
Senior Scientist

aerial photo of the large Sedan Crater created by an underground nuclear blast the Nevada Test Site; several smaller craters are in the desert floor in the background

May 7, 2025

How Science and Advocacy Ended Dangerous Nuclear Testing in the United States

Jennifer Knox
Policy & Research Analyst