Artemis Accords Representatives from Uruguay signing the Artemis Accords, making Uruguay the 36th country to sign the accords. (more) Artemis Accords international agreement Written by Aman Kumar Aman Kumar is an editor at Encyclopaedia Britannica. Aman Kumar Fact-checked by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors Last updated Feb. 27, 2026 •History Artemis Accords, set of principles and nonbinding agreements to guide international cooperation in space exploration. The Artemis Accords were first signed on October 13, 2020, and the initial signatories were the government-run space agencies of Australia, Canada, Italy, Japan, Luxembourg, the United Arab Emirates, the United Kingdom, and the United States. The list of signatories has increased gradually since publication, and 61 countries had joined the accords by January 2026. The accords were prepared by...

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