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Cowboy Space Corporation Raises $275.0

Recently funded · $275.0M Series bUtilitiesUSView source

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The ambitious vision of powering artificial intelligence beyond Earth's atmosphere just got a substantial boost. Cowboy Space Corporation, the startup focused on building a power grid in outer space for AI, has closed a $275.0M Series B funding round.

The significant capital raise comes as the company continues its unique mission to develop the critical infrastructure needed to support advanced AI systems in the cosmos. Cowboy Space Corporation is specifically building a power grid designed for the demands of artificial intelligence in outer space.

🗓️ Daily Space Briefing — May 11, 2026 📰 Read full briefing – link in comments👇 💰 Funding Rounds & Investment Activity Cowboy Space Corporation raised $275 million at a $2 billion valuation to build rockets with upper stages that convert into orbital data centers once in low Earth orbit.

The company emerged from stealth less than two years ago as Aetherflux, originally focused on space-based solar power before pivoting to orbital data center infrastructure. LiveEO completed a €28 million Series B2 funding round. The company is focused on satellite-based infrastructure monitoring using agentic AI technology. 📜 Contracts, Awards & Government Activity U.S. Special Operations Comm

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