The Defense Advanced Research Project Agency (DARPA) tried with little success on Thursday to fly its high-speed Hypersonic Technology Vehicle-2 (HTV-2), a mishap the agency chalked up to continued ...

An ultra-fast U.S. military drone that streaked across the sky at 13,000 mph and met its demise in the Pacific was doomed by the excessive heat of hypersonic travel, which literally peeled away the ...

The Defense Advanced Research Projects Agency (DARPA) has released new details about the fate of the Hypersonic Test Vehicle (HTV-2), which crashed into the Pacific Ocean during its 11 August flight. ...

United States military officials lost contact with hypersonic glider Falcon Hypersonic Technology Vehicle 2 (HTV-2), the fastest plane ever built, during a test flight over the Pacific Ocean on ...

The Defense Advanced Research Projects Agency (DARPA) has always been at the forefront of technological advancements. Its goal: to invest in national security technologies that are likely to lead to ...