Most Significant International Space Cooperation Treaties

A ranking of historical and modern frameworks that define how humanity explores and exploits celestial bodies.

The top 3

1. The Outer Space Treaty (1967): The Foundation: The cornerstone treaty that prohibits nuclear weapons in space and declares space as the province of all mankind.
2. Artemis Accords: Modern Norms for Lunar Activity: A non-binding set of principles led by the US to promote civil, transparent, and sustainable lunar exploration among partner nations.
3. Moon Agreement (1979): The Most Controversial Treaty: A treaty attempting to govern resource extraction, which has seen very limited adoption by major spacefaring nations.

Sources

• United Nations Office for Outer Space Affairs

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