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" ...

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 ...

DARPA has launched an unmanned hypersonic gliding vehicle that can reach speeds up to Mach 20 (13,000mph). The Falcon program aims to develop and demonstrate hypersonic technologies for prompt use in ...

NEW YORK — An ultrafast U.S. military drone that streaked across the sky at nearly 21,000 kilometers per hour and met its demise in the Pacific was doomed by the excessive heat of hypersonic travel, ...