From experimental rocket planes to Cold War spy jets, the fastest aircraft in history pushed far beyond what engineers once ...

The fastest air-breathing vehicle ever built was the NASA X-43. Only three of these aircraft were built, with one being destroyed and two operating successfully. The X-43 testbed aircraft measured 12 ...

GE and Lockheed ground tested a new air-breathing hypersonic jet engine capable of powering missiles to speeds well in excess ...

Could a hypersonic vehicle take flight this weekend in the deserts of Southeastern California? It appears Stratolaunch, an aerospace company based in Mojave about 100 miles north of Los Angeles, is ...