underground nuclear tests

Satellite image shows a new tunnel entrance at Lop Nur Nuclear Test Site in a mountainous area, with adjacent road and structures visible. Text labels provide coordinates and date: December 30, 2025.

How to resolve the Trump administration’s allegation that China is engaged in clandestine nuclear testing

By Frank von Hippel | Analysis, Nuclear Weapons

Nuclear arms control and disarmament after New START

By Daryl G. Kimball | Nuclear Weapons

When Grok is wrong: The risks of AI chatbots spreading misinformation in a crisis

By Kjølv Egeland | Disruptive Technologies, Nuclear Risk

Why it would be a bad idea for the Trump administration to conduct a “rapid” nuclear test

By Sulgiye Park, Jennifer Knox, Dylan Spaulding | Nuclear Weapons

crater left over from underground nuclear test

Environmental impacts of underground nuclear weapons testing

By Sulgiye Park, Rodney C. Ewing | Nuclear Risk, Nuclear Weapons, Special Topics