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Tianzhou 9 (Chinese: 天舟九号) was the ninth mission of a Tianzhou uncrewed cargo spacecraft and the eighth resupply mission to the Tiangong space station. Like previous Tianzhou missions, the spacecraft was launched from the Wenchang Satellite Launch Center in Hainan, China, aboard a Long March 7 rocket. The spacecraft carried nearly 6,500 kilograms (14,300 lb) of cargo to the space station.^[2]

Tianzhou 9 launched on 14 July 2025 at 21:34 UTC and docked with the Tiangong space station about three hours later, on 15 July 2025 at 00:52 UTC.^[3] The spacecraft delivered supplies for the Shenzhou 20 mission, which returned to Earth in November 2025.^[4]

Tianzhou 9 undocked from Tiangong on 6 May 2026 and re-entered the atmosphere later that day, disintegrating over the ocean.^[5]

The spacecraft delivered nearly 6,500 kilograms (14,300 lb) of supplies, including propellant, more than 700 kilograms (1,500 lb) of scientific experiments, crew supplies, and two upgraded spacesuits.^[3][2]