CHICAGO—Astro Mechanica’s Duality™ engine uses a hybrid-electric design that adapts across flight profiles—functioning as a turbofan at low speeds, a turbojet at near-supersonic speeds, and a ramjet ...

United Airlines Ventures (UAV), the venture capital arm of United Airlines, has announced an investment in aerospace startup Astro Mechanica. | Aerospace startup Astro Mechanica’s technology is first ...

United Airlines continues its push toward supersonic flight with an investment in a San Francisco startup developing electrification technology for aircraft engines.

United Airlines' venture capital arm said on Wednesday it has invested in aerospace startup Astro Mechanica, which develops ...