# Blue Origin’s Endurance moon lander has completed a battery of tests.

*aerospace · news · 2026-05-05 · Scientific American*

## Key points

- Blue Origin's Endurance lander has completed vacuum simulation tests at NASA's Johnson Space Center.
- Data from Endurance's tests will inform design improvements for both MK1 and the upcoming crewed MK2.
- Endurance will attempt its first launch later this year on Blue Origin's Pathfinder Mission 1 using New Glenn.
- NASA's Artemis III will see Blue Moon MK2 and SpaceX's Starship attempt docking with the crewed Orion capsule.

**Companies:** SpaceX, Blue Origin
**Countries:** United States

[Read the full story on Scientific American](https://www.scientificamerican.com/article/jeff-bezos-blue-origin-moon-lander-completes-a-crucial-test-as-race-with-spacex-heats-up/)

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