H3 – Spaceflight Now

August 23, 2025

Breaking News

[ August 22, 2025 ] SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB Falcon 9
[ August 22, 2025 ] SpaceX launches Space Force’s X-37B spaceplane to demo laser communications, quantum navigation Falcon 9
[ August 20, 2025 ] Launch preview: SpaceX to launch X-37B military spaceplane on Falcon 9 rocket from the Kennedy Space Center Falcon 9
[ August 20, 2025 ] Firefly Aerospace explores launching its Alpha rocket from Japan Alpha
[ August 17, 2025 ] SpaceX flies 24 Starlink satellites on its 100th Falcon 9 rocket launch of 2025 Falcon 9

Japanese space science missions facing delays after H3 rocket failure

April 11, 2023 Stephen Clark

The launch of a Japanese X-ray telescope and robotic lunar lander has been delayed to no earlier than August, and the launch schedule for another Japanese mission to return samples from a moon of Mars is in doubt as engineers investigate the failure of Japan’s first H3 rocket last month.

Phobos sample return mission enters development for 2024 launch

February 20, 2020 Stephen Clark

Japan’s space agency has approved a robotic mission to retrieve a sample from the Martian moon Phobos for return to Earth to begin full development for a planned launch in 2024, officials said Thursday.