A compact rocket engine that uses a continuously rotating detonation wave has attracted $91 million in fresh funding.

Venus Aerospace has raised $91 million to further develop the company's rotating detonation rocket engine and plans to bring its designs from testing to production across multiple applications.

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Venus Aerospace, a Houston-based propulsion startup developing rocket engines for hypersonic flight and space transportation, said July 8 it raised $91 million in a Series B funding round to expand ...

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Venus Aerospace, a Houston, Texas-based startup, announced on July 8, 2026, that it has closed a $91 million Series B funding ...