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 ...

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 ...

Electric motors are finally getting good enough in performance to capture efficiency gains from having a second turbine drive an adaptive cycle jet engine. This new jet engine will enable commercial ...