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flag Chinese astronauts on Shenzhou-21 completed key training, spacewalk, and research tasks during their mission at Tiangong station.

flag Chinese astronauts on the Shenzhou-21 mission at the Tiangong space station have completed critical in-orbit training, including manual docking drills, medical emergencies, and fire evacuation simulations. flag They advanced space medicine research using VR and EEG to study brain-eye coordination in microgravity, and made progress in lithium-ion battery electrochemistry for improved space power systems. flag The mission, launched October 31, 2025, included the crew’s first spacewalk on December 9 after a handover with Shenzhou-20, marking China’s seventh crew rotation.

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