
Ethos Space Resources
Ethos Space Resources is a YC Summer 2026 (S26) company. Based in Los Angeles, CA, USA. Team of 2.
About Ethos Space Resources
Summary
Ethos Space Resources develops lunar mining and construction infrastructure to produce solar-grade silicon, rocket propellant, and construction materials directly from Moon regolith. It targets the bottleneck that will follow Earth's grid constraints: once data centers move to orbit, rocket payload capacity becomes the ceiling, and Ethos removes that ceiling by supplying mass already outside Earth's gravity well. The process melts and electrolyzes regolith in hard vacuum, replacing the need to launch raw materials from Earth.
Go-to-market
Early customers are operators of orbital data centers and satellite constellations that require in-space propellant, structural materials, and silicon at terawatt scale. Ethos positions itself as foundational infrastructure, entering at the first wave of heavy lunar landings before mass-driver or large-scale satellite production begins.
From the Y Combinator listing
We make Silicon on the Moon.
We make Silicon on the Moon. Data centers in space are launch-constrained. Silicon in space removes the constraint. Scales past terawatts.
Facts
- Industrials / Industrials -> Aviation and Space
- Los Angeles, CA, USA
- 2
- Active
- Early
Founders (2)
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