Artemis Accords: Moon Exploration Rules Explained

Introduction

The Artemis Accords provide a framework for lunar exploration. The United States leads this set of non‑binding principles. As of April 2026, 61 countries have signed them, including the United States, Canada, Japan, the United Kingdom, and most recently, Oman. The Accords aim to establish “best practices” for lunar activities, such as resource extraction, safety zones, and heritage protection. However, China and Russia have notably declined. They instead promote their own International Lunar Research Station (ILRS). This Artemis Accords explained guide covers the history, key principles, signatories, criticisms, and why they matter for the lunar south pole resource race.

For a complete overview of the Artemis II mission, read our main guide: Artemis II 2026: Historic Moon Mission .

What Are the Artemis Accords?

The Artemis Accords represent a multilateral agreement. NASA and the U.S. State Department drafted them. They first launched in October 2020 with eight founding nations. The Accords ground themselves in the Outer Space Treaty of 1967. Nevertheless, they go further by clarifying how nations can extract and use space resources, create “safety zones” around lunar bases, and share scientific data.

The Accords are non‑binding. Therefore, they carry no legal enforcement mechanism. However, they hold significant political weight. They shape norms and expectations for international cooperation in space.

Key Principles of the Artemis Accords

The Artemis Accords build on ten core principles:

Peaceful exploration – All activities must serve peaceful purposes.
Transparency – Signatories must publicly share their plans and policies.
Interoperability – Systems should remain compatible to allow joint operations.
Emergency assistance – Signatories commit to helping astronauts in distress.
Registration of space objects – All launched objects must register.
Release of scientific data – Data should become publicly available.
Protection of heritage sites – Apollo and other historic landing sites must preserve.
Space resources – Extraction and use of resources (e.g., water ice) is permitted.
Deconfliction of activities – Safety zones prevent harmful interference.
Orbital debris – Signatories commit to mitigating debris and disposing of spacecraft responsibly.

According to NASA’s Artemis Accords page, these principles ensure a “safe, transparent, and responsible” lunar future.

Which Countries Have Signed?

As of April 2026, 61 countries have signed the Artemis Accords. Recent signatories include:

Portugal (January 2026) – 60th signatory
Oman (April 2026) – 61st signatory

Other notable signatories include the United States, Canada, Japan, the United Kingdom, Australia, Italy, France, Germany, India, Israel, Ukraine, Brazil, South Korea, and the United Arab Emirates.

Notable non‑signatories include China and Russia. They instead promote their own International Lunar Research Station (ILRS) . Other non‑signatories include South Africa, Indonesia, and most of the Global South.

For more on the geopolitical competition, see our US‑China space race 2026 guide.

Why China and Russia Refuse to Sign

China and Russia call the Artemis Accords “unilateral” and “not representative of the international community.” They argue that the Accords undermine the multilateral, consensus‑based processes of the United Nations Committee on the Peaceful Uses of Outer Space (COPUOS) .

Instead, China and Russia have signed a memorandum of understanding for the International Lunar Research Station (ILRS) . The ILRS serves as a rival to NASA’s Artemis Base Camp, with a similar focus on the lunar south pole. As of 2026, Pakistan, Venezuela, and several other countries have joined the ILRS.

Controversies and Criticisms

The Artemis Accords have attracted criticism from legal scholars and developing nations:

Unilateralism – Critics argue that the US drafted the Accords without broad international consultation. Consequently, the Accords impose its own interpretation of space law.
Resource extraction – The Accords claim that mining is allowed under the Outer Space Treaty. Nevertheless, many legal experts disagree. The Moon Agreement (1984) would require an international regime, but the US never signed it.
Safety zones – Some fear that “safety zones” could become de facto territorial claims, thus violating Article II of the Outer Space Treaty.
Exclusion of China – By excluding the world’s second‑largest space power, the Accords may increase tensions rather than reduce them.

For a deeper legal analysis, read our Outer Space Treaty explained .

Comparison Table – Artemis Accords vs ILRS vs Outer Space Treaty

Aspect	Outer Space Treaty (1967)	Artemis Accords	ILRS (China‑Russia)
Binding	Yes (international law)	No (political principles)	No (memorandum of understanding)
Resource extraction	Ambiguous	Explicitly permitted	Explicitly permitted (state‑led)
Safety zones	Not mentioned	Allowed to avoid interference	Similar concept
Data sharing	Encouraged	Required (public release)	Bilateral sharing
Signatories	114 countries	61 countries	~10 countries (China, Russia, Pakistan, etc.)
Moon base concept	None	Artemis Base Camp	ILRS

Real‑World Applications of the Artemis Accords

For space agencies: The Accords provide a framework for international collaboration on the Lunar Gateway and surface missions.
For commercial companies: They offer legal certainty for resource extraction, thereby encouraging private investment.
For policymakers: The Accords shape how future space laws will develop.
For the public: Understanding the Accords helps you see who leads – and who remains left out – of lunar exploration.

FAQ Section

Q1: How many countries have signed the Artemis Accords in 2026?
A: As of April 2026, 61 countries have signed, including Portugal (60th) and Oman (61st).

Q2: Are the Artemis Accords legally binding?
A: No. The Accords are non‑binding political principles. However, they influence how nations behave and set expectations for future international law.

Q3: Why won’t China sign the Artemis Accords?
A: China calls the Accords “unilateral” and has instead launched its own International Lunar Research Station (ILRS) in partnership with Russia.

Q4: Do the Artemis Accords allow mining on the Moon?
A: Yes. The Accords explicitly permit the extraction and use of space resources, which the US interprets as consistent with the Outer Space Treaty.

Conclusion

The Artemis Accords represent the United States’ effort to shape the rules of lunar exploration. With 61 signatories, they have become a major force in space governance. Yet their non‑binding nature, lack of consensus, and exclusion of China and Russia raise questions about their long‑term effectiveness. As the lunar south pole resource race heats up, the Accords will likely face tests – and possibly challenges.

Next step: Explore the legal foundations of space law in our Outer Space Treaty explained .