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" ...

US military officials have lost contact with the fastest plane ever built during a hypersonic test flight over the Pacific on Thursday. The Falcon HTV-2 was launched aboard a rocket from Vandenberg ...

WASHINGTON — Japan launched the first of a new generation of cargo spacecraft to the International Space Station, with potential applications beyond low Earth orbit. An H3 rocket lifted off from the ...

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 ...

The HTV-X1 cargo spacecraft from JAXA is scheduled for release from the International Space Station after four months attached to the Harmony module. According to NASA, the Canadarm2 robotic arm ...

The Japanese H-II Transfer Vehicle-5 (HTV-5) resupply spacecraft successfully arrived at the International Space Station (ISS) on Monday. Following its launch into space from the Tanegashima space ...

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DARPA has released the findings from an independent engineering review board on what caused the Hypersonic Technology Vehicle (HTV-2) to fail nine minutes into its August 11, 2011 test flight. On that ...

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 ...

Japan sent an upgraded HTV-X cargo module on its way to the International Space Station for the first time, launching at 9 a.m. local Japan time on Oct. 26th from Japan's Tanegashima Space Center atop ...

Japan's new HTV-X cargo spacecraft departed the International Space Station today (March 6) after a four-month stay. The vehicle — known as HTV-X1, because it's the first of its kind — was released by ...

Japan’s HTV-6 cargo vehicle has completed its destructive re-entry on Monday, February 6, following its departure the International Space Station (ISS) over a week ago. The spacecraft performed ...