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Well, that was quick. The US military has lost all contact with a hypersonic aircraft that the Pentagon hoped would clock in as the fastest vehicle every created, officials said. The unmanned Falcon ...

DARPA has confirmed the splash down of its unmanned Falcon Hypersonic Technology Vehicle (HTV-2) following the hypersonic vehicle's second test flight on August 11. While a "controlled descent" ...

We have talked about the DARPA HTV-2 hypersonic glider that has been in testing before. The goal of the program is to be able to create a weapon that can strike anywhere on the planet within a few ...

Defense department tests drone to fly at 13,000 mph. Aug. 11, 2011— -- The U.S. military said it launched a hypersonic test aircraft called the Falcon HTV-2, which reached speeds of 13,000 mph, ...

For the second time in a row, the Falcon HTV-2, the unmanned hypersonic glider developed by the Defense Advanced Research Projects Agency (DARPA) for the U.S. defense failed its test flight and got ...

An unmanned glider streaks over the Pacific Ocean at 20 times the speed of sound in a video released Thursday by a U.S. defense research agency experimenting with technology that could give the ...

Aerodynamic design validated and new understanding of thermal material properties gained Following an extensive seven-month analysis of data collected from the Aug. 11, 2011, second flight of DARPA’s ...

Speedier perhaps than even Superman, the fastest plane ever built, the Falcon HTV-2, can get from London to Sydney in less than an hour, all the while withstanding temperatures of almost 2,000 degrees ...