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

intercontinental ballistic missile

Why is America getting a new $100 billion nuclear weapon?

By Elisabeth Eaves | Investigative Reporting, Nuclear Weapons

Two key questions about North Korea’s new missile

By Xu Tianran | Analysis, Nuclear Weapons

The political and military vulnerability of America’s land-based nuclear missiles

By Jon B. Wolfsthal | Nuclear Weapons

Indian nuclear forces, 2012

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