NASA Just Launched Artemis II: A 2-Minute International Law Breakdown

Dr Yusra Suedi (SAIL) — Thu, 02 Apr 2026 05:01:21 GMT

Did you hear? NASA’s Artemis II just launched, sending astronauts around the Moon and back for the first time in more than 50 years.

The mission, Artemis II, is taking its crew farther from Earth than any humans have ever gone!

Beyond rockets and science, it’s also quietly shaped by international law. Here are five things you might not know:

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1. Every rocket belongs to a country

Under international law, rockets don’t belong to NASA or astronauts, but to countries.

So, Artemis II is a U.S. space object, which means the U.S. is responsible for it. (Even though the crew includes a Canadian astronaut!)

If something were to go wrong at any point (e.g., damage on Earth or to aircraft in flight), responsibility would fall on the U.S.

2. Outer Space treaty yes, Moon Treaty no

The U.S. signed the Outer Space Treaty (1967) because it says no country can own space or put nuclear weapons there, but it still lets countries explore and use space freely.

The Moon Treaty, which came later (1979), tried to go further by suggesting the Moon’s resources should be internationally controlled and shared with everyone.

The U.S. never signed it because it worried that would limit future missions.

(Artemis II wouldn’t break it anyway as it’s just orbiting the Moon; it’s not landing, mining, or claiming anything. But the U.S. didn’t want to rule out future missions that might do so!)

3. Competition is allowed (sort of)

Artemis II has been described as America’s best effort to beat China in the race to return humans to the Moon.

And international law actually allows strategic or political competition.

The Outer Space Treaty requires the Moon to be used for peaceful purposes.

But that only means that hostile acts, threats of force, and weapons of mass destruction are banned.

Exploration can be peaceful under the law while still serving national goals.

(Whether that should count as peaceful is a debate space law never really settled… What do you all think? Let me know in the comments!)

4. No one can own the Moon

The goal of Artemis II is to bring NASA one step closer to landing astronauts on the Moon, currently planned for mid-2027.

But under the Outer Space Treaty, no country can claim the Moon.

Even landing, spending time there, or planting a flag (looking at you, Armstrong) doesn’t create ownership.

5. Environmental rules are lagging

Rockets release emissions directly into the upper atmosphere, where they can affect ozone levels and climate systems, and space missions can leave behind debris (i.e. bits of old spacecraft).

Yet the main international space treaties were written before environmental protection became a global legal priority.

So, there are no clear international rules about environmental harm caused by space launches/missions. There’s a gap.

So even though Artemis II might cause environmental damage, there’s little that environmentalists can do about it.