The hydrogen-fueled engine powering the initial launch of the $1.5 billion H3 rocket in Japan worked flawlessly. But it was a more traditional second-stage engine failure after takeoff that doomed the highly anticipated rocket within 14 minutes of launch.

Japan’s H3 rocket lifted off for its seventh mission on Sunday, but an engine failure foiled its attempt to insert a navigation satellite in geostationary orbit. Japan Aerospace Exploration Agency (JAXA) revealed that its flagship rocket’s second-stage ...

SpaceX’s giant Starship V3 rocket test saw its booster crash into the Indian Ocean

Japan’s ambitions for an independent satellite navigation system suffered a significant blow this week after the second major failure of its flagship H3 rocket. The rocket, which was carrying the Michibiki 5 satellite, lifted off from the Tanegashima ...