Footage from the Tiangong space station shows Shenzhou 18 crew members — commander Ye Guangfu and cremates Li Cong and Li Guangsu — engaged in research on the adaptability of anaerobic archaea.

The research aims to test their survival under Mars-like conditions and extreme cosmic radiation, contributing to the search for extraterrestrial life, according to a report from CCTV.

Credit: Space.com | footage courtesy: China Central Television (CCTV) | edited by Steve Spaleta