Key Points and Summary - Yes, the SR-72 Darkstar gets a lot of attention as the next spy plane. However, years back, the SR-91 was getting some of the same headlines. -The legend of the Mach 5 SR-91 ...

Hypersonic flight could one day make long-haul travel as quick as a short movie. Researchers are testing how turbulence behaves at extreme speeds, a critical hurdle for designing these aircraft. Their ...

Stratolaunch has finally found a use for the world’s largest airplane. Twice in the last five months, the company launched a hypersonic vehicle over the Pacific Ocean, accelerated it to more than five ...

An illustration of a hypersonic jet flying at high altitude - Naeblys/Getty Images Technology often feels like it's evolving at breakneck speed, but in many ways, commercial aviation has been stuck in ...