May 2026
Focusing the world on planetary defence
... for the peaceful use of space. Its key principles - peaceful purposes, prohibition of military bases, international responsibility, non-appropriation, and cooperation - align naturally with planetary defence. Yet too often, national sovereignty and...
05 November 2015
Colonizing Mars – the legal way
... it. As Sarah Burns and Jacob Haqq-Misra write in the Guardian, “The absolute restriction on sovereign claims by the non-appropriation principle [in the Outer Space Treaty of 1967] could lead to future conflict.” How to work to resolve this? Well...
