Japan’s HTV-4 cargo vehicle has departed the International Space Station (ISS) ahead of a fiery plunge back to Earth. The spacecraft delivered vital supplies both for the crew and the Station itself ...

HTV No4 spacecraft is almost encapsulated inside the payload fairing, July 13, 2013. Workers are dwarfed by the HTV No4 payload fairing encapsulation on July 13, 2013. Workers stand on a ramp during ...

The I in ISS is for “international” (the two S’s are for “station” and “space,” not necessarily in that order). Many countries contribute to the orbiting outpost, which means investing money, research ...

The Japan Aerospace Exploration Agency launched its H-II Transport Vehicle HTV-4 from the Tanegashima Space Center in Japan. Named Kounotori, the Japanese word for white stork, it is expected to dock ...

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 ...

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 ...

The first - and perhaps only - video footage of the ill-fated second test-flight of DARPA's Falcon Hypersonic Technology Vehicle 2 (HTV-2) has been released. Shot with a handheld camera by a ...

The HTV-4 (Kounotori 4) cargo ship built by Japan's space agency is in docking position at International Space Station in this still from a NASA TV broadcast on Aug. 9, 2013. The spacecraft carried ...