Shenzhou-21 crew collected saliva samples to research taikonauts’ impact on the space station environment and microbial populations, with samples to undergo centralized testing upon return.
Shenzhou-21 crew replaced the sampling cover inside the combustion science experimental cabinet and disassembled and assembled experimental modules inside the fluid physics experimental cabinet during the week.
The Tiangong Space Station conducted a station-wide pressure emergency drill that simulated Shenzhou-21 crew response to an internal depressurization event to consolidate emergency response and ground-space coordination skills.
Shenzhou-21’s crew returned to Earth in November 2025 aboard Shenzhou-21, taking the crew home after the window damage incident on Shenzhou-20.
Shenzhou-21 crew conducted in-situ electrochemical and optical research on lithium-ion batteries for space applications aboard the Tiangong Space Station.
Shenzhou-20 astronauts CHEN Dong, CHEN Zhongrui, and WANG Jie safely landed in the Shenzhou-21 return capsule.
The Shenzhou-21 crew conducted rendezvous and docking training exercises as scheduled.
The Shenzhou-21 crew completed medical rescue training in simulated hazardous conditions onboard Tiangong.
Over 230 research papers were supported by the work of the Shenzhou-21 crew and other crews in 2025.
The Shenzhou-21 crew conducted space medicine experiments using brain-computer interface equipment.
In January 2026, the crew of Shenzhou-21 engaged in various missions, including space medicine experiments and routine emergency drills.
Shenzhou-21 launched on October 31, 2025 with Commander Zhang Lu, Flight Engineer Wu Fei, and Payload Expert Zhang Hongzhang, and docked with Tiangong about three hours after launch.
The Shenzhou-20 crew returned to Earth aboard the Shenzhou-21 spacecraft on November 14, 2025 due to the Shenzhou-20 window damage.
The original experiment aimed for conception in microgravity, but fertilization actually occurred on the ground after the Shenzhou-21 mice's return.
The Shenzhou-21 crew utilized electroencephalography equipment for cognitive monitoring studies.
The Shenzhou-21 crew has been in orbit for two months.
The Shenzhou-21 taikonauts conducted a spacewalk three weeks prior to the report.
The Shenzhou-21 crew conducted sample collection using scientific gloves last week.
Four mice were flown alongside the Shenzhou-21 trio during their launch on October 31st.
The Shenzhou-22 spacecraft launched without a crew on 25 November to rescue the Shenzhou-21 crew.