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

satellite constellations

How commercial satellite imagery could soon make nuclear secrecy very difficult—if not impossible

By Igor Moric | Nuclear Energy, Nuclear Risk, Nuclear Weapons

A map that shows the relative missile defense interceptor coverage of a certain array of space-based platforms.

Why a space-based missile interceptor system is not viable

By Thomas G. Roberts | Nuclear Risk, Nuclear Weapons