Cowboy Space (formerly Aetherflux) raised $275 million to develop and operate AI data centers in orbit on its homegrown rocket, launching later in 2026.
Investors: Index Ventures, IVP, Blossom Capital, SAIC, Breakthrough Energy Ventures, Construct Capital, Andreessen Horowitz, NEA, Interlagos, Bhatt
Space startup developing satellites and AI data centers in orbit raised $275 million Series B to build satellite and rocket engineering capabilities.