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

Watch the 2025 Doomsday Clock announcement on January 28


Rachel Minyoung Lee

Rachel Minyoung Lee is a senior fellow with the 38 North Program at the Stimson Center. From 2000 to 2019, Lee was a North Korea collection expert and analyst with the US Government, where she covered North Korean domestic and foreign policy and a broad range of Korean Peninsula issues with implications for Pyongyang’s regime stability and regional security.


Kim Jong-un and Hwasong-17 ICBM

To do or not to do: Pyongyang’s seventh nuclear test calculations

By Rachel Minyoung Lee | Nuclear Risk, Nuclear Weapons