Shenzhou 21 Crew Returns After 210-Day Space Station Record, May 30

China’s Shenzhou 21 astronauts—Zhang Lu, Wu Fei, and Zhang Hongzhang—landed safely on May 29 at 20:11 Beijing time after 210 days aboard the space station. The crew set a new record for the longest single-mission stay by Chinese astronauts and conducted three spacewalks. They returned with 41.14 kilograms of scientific samples from 23 research projects, including artificial embryos and advanced materials.

Record-Breaking 210-Day Mission Ends Successfully

The Shenzhou 22 spacecraft carrying the Shenzhou 21 crew touched down at the Dongfeng landing site on May 29 at 20:11 Beijing time. The three astronauts spent 210 days aboard China’s space station, breaking the previous record for the longest single-mission stay by Chinese astronauts. All three crew members exited the capsule safely at 20:59 on May 29 and reported good health. Commander Zhang Lu completed seven spacewalks during the mission, becoming China’s most experienced astronaut in extravehicular activity.

Three Spacewalks and Critical Maintenance Tasks

During their stay, the crew conducted three spacewalks to complete essential station maintenance. Tasks included inspecting and photographing the Shenzhou 20 return capsule window, installing space debris protection equipment, and performing cargo transfers. The mission also involved managing an unprecedented situation when the crew witnessed the first spacecraft debris impact and the first crew exchange in orbit. The astronauts conducted extensive scientific experiments in microgravity physics, materials science, and life sciences.

41 Kilograms of Space Research Returns to Earth

The Shenzhou 21 crew brought back 41.14 kilograms of experimental samples covering 23 research projects. Samples include nine life science specimens such as artificial embryos and brain organoids, twelve materials science samples including new titanium alloys and high-strength steel, and two combustion research samples. Scientists received the biological samples on May 30 at 04:05 Beijing time at the Chinese Academy of Sciences space application center in Beijing. Research will focus on how life adapts to space environments and how materials behave in microgravity.

Next Crew Observes Successful Return from Orbit

The Shenzhou 23 crew, currently aboard the space station, watched the entire return process live. Astronaut Li Jiaying appeared relaxed during the broadcast, drinking water and communicating with mission commander Zhu Yangzhu. Experts noted the Shenzhou 23 crew showed excellent adaptation to the space environment. The Shenzhou 21 crew completed full handover of station operations and work experience with the incoming crew before departure.

Final Thoughts

China’s Shenzhou 21 mission set a new national record with 210 days in orbit and returned critical research samples for life science and materials studies. The successful return marks another step forward in China’s long-term space station operations and human spaceflight capabilities.

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