Artemis Accords: The International Framework for Artemis
Artemis is not a NASA-only undertaking. The Artemis Accords are the framework that lets multiple nations participate under a shared, publicly stated set of principles.
What the Accords Actually Are
Announced in 2020, the Artemis Accords are a set of non-binding principles, grounded in the existing 1967 Outer Space Treaty, that signatory nations agree to follow for peaceful, transparent civil space exploration. It's important to be precise about what this is: a shared political and policy framework among governments, not a technical specification for any hardware, and not a binding international treaty in the formal legal sense a treaty ratified through the UN would be.
Key Principles
The Accords commit signatories to real, specific principles: exploration for peaceful purposes only, transparency about national space programs and policies, interoperability of systems where practical, rendering emergency assistance to astronauts in need, publicly registering space objects, releasing scientific data openly, preserving outer space heritage sites, managing orbital debris responsibly, and — one of the more debated provisions — establishing "safety zones" around lunar operations to prevent harmful interference between different nations' activities on the surface.
Original and Growing List of Signatories
The Accords launched in October 2020 with eight founding signatory nations, and the list has grown substantially since through individual nations signing on at different times. NASA reported that Türkiye became the 71st nation to sign on August 31, 2026. Given how frequently new countries join, treat that figure as a snapshot rather than a permanently fixed count — NASA's own Artemis Accords page maintains the current, authoritative list.
Not a Binding Treaty
Unlike a formal international treaty negotiated through the United Nations, the Artemis Accords are bilateral agreements each nation signs directly with the United States. This has drawn real, legitimate debate: some spacefaring nations, including Russia and China, have not signed, and have separately criticized the Accords as a U.S.-led framework rather than a genuinely multilateral one negotiated through existing international space law bodies.
How the Accords Relate to Real Artemis Hardware and Missions
The Accords are a policy framework, not a hardware plan — but they matter directly for Artemis's real mission architecture, since international partners contribute genuine hardware and capability under this framework, including ESA's contribution to Orion's Service Module and international participation planned for Gateway. See the Artemis overview for how Gateway and international partnerships fit into the broader architecture.