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 ...

(Update: 1:06 p.m. EDT)The U.S. military lost contact with an unmanned hypersonic glider shortly after it launched on a test flight today (Aug. 12) as part of a global strike weapons program to ...

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" ...

On Thursday, DARPA's unmanned Falcon Hypersonic Technology Vehicle-2 (HTV-2) was launched from Vandenberg Air Force Base in California aboard an Air Force Minotaur IV rocket, which inserted the ...

The US Defence Advanced Research Projects Agency may have lost contact with its Falcon Hypersonic Technology Vehicle 2 some 9min after launch, but the 23 April mission would appear to stand as a ...

The first video of the $300million Falcon HTV-2 hypersonic spacecraft has been released following its ill-fated second test flight. The 13,000mph unmanned aircraft of the future took off for a crucial ...

The Falcon hypersonic HTV-2 aircraft emerges from its payload fairing before gliding back to Earth. The Falcon hypersonic HTV-2 is an unmanned, rocket-launched, maneuverable aircraft that glides ...

DARPA will launch the second flight test of an unmanned hypersonic glider Thursday (Aug. 11) to test technologies needed for a new global strike bomber concept designed to fly 20 times the speed of ...

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 ...

If all goes well, the Pentagon this week will test an unmanned aircraft that, in theory, can travel at speeds upwards of 13,000 miles per hour and send a missile to strike an identified target within ...