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

Nuclear Weapons

Joseph Rotblat’s would-be advice to the new president

By Sandra Ionno Butcher | Nuclear Weapons, Opinion

Indian Nuclear Forces, 2008

By Robert S. Norris, Hans M. Kristensen | Nuclear Notebook

The security benefits of a Fissile Material Cutoff Treaty

By International Panel on Fissile Materials | Nuclear Weapons, Opinion

The need for an Arab presence in international negotiations with Iran

By Tariq Khaitous | Nuclear Weapons, Opinion

In support of the Megatons to Megawatts program

By Laura S. H. Holgate, Robert E. Schultz | Nuclear Weapons, Opinion

The rebirth of Russia’s closed cities

By Dmitriy Nikonov, Igor Khripunov | Nuclear Energy, Nuclear Weapons, Opinion

A silver lining to the U.S.-India nuclear deal

By Pavel Podvig | Columnists, Nuclear Weapons

The bursting global security bubble

By Hugh Gusterson | Columnists, Nuclear Weapons

Testing the test ban treaty: Week three of the CTBTO inspection exercise in Kazakhstan

By Andreas Persbo | Nuclear Weapons

Testing the test-ban treaty: Week two of the CTBTO inspection exercise in Kazakhstan

By Rebecca Johnson | Nuclear Weapons

Testing the test-ban treaty: An inspection exercise in Kazakhstan

By Rebecca Johnson | Nuclear Weapons

How can we reduce the risk of human extinction?

By Anders Sandberg, Jason G. Matheny, Milan M. Ćirković | Biosecurity, Nuclear Weapons, Opinion