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

Watch the 2025 Doomsday Clock announcement on January 28


Mario E. Carranza

Mario E. Carranza is a professor of political science in the Department of History, Political Science, and Philosophy at Texas A&M University-Kingsville. His books include the recently published India-Pakistan Nuclear Diplomacy: Constructivism and the Prospects for Nuclear Arms Control and Disarmament in South Asia as well as South Asian Security and International Nuclear Order: Creating a Robust Indo-Pakistani Nuclear Arms Control Regime. His articles on nuclear proliferation in South Asia have appeared in The Nonproliferation Review, Asian Survey, International Politics, and Contemporary Security Policy. He received a doctorate in political science from the University of Chicago in 1987.