Venus Aerospace is a US startup developing a Mach 9 hypersonic jet known as Stargazer. The ultra-speedy plane would carry up to 12 people and fly some 5,000 miles in just one hour. Insider spoke with ...

European startup Destinus is designing a series of ultra-speedy aircraft capable of reaching Mach 5. Liquid hydrogen combined with jet and rocket engines will allow the plane to cruise at 108,000 feet ...

Startups developing next-generation aircraft and components have raised over half a billion dollars in venture capital so far this year. Each week we round up travel startups that have recently ...

U.S. startup Astro Mechanica plans to take its hybrid-electric supersonic engine into high-altitude and high-speed ground testing this year as it moves toward flying the unique powerplant in 2027 in a ...