With the continuous improvement of efficiency and stability, perovskite solar cells are gradually approaching practical applications. PSCs may show the special application in space where oxygen and moisture (two major stressors for stability) barely exist. Publishing in Sci. China-Phys. Mech. Astron., a group of researchers at Peking University in China, led by Dr. Rui Zhu and Prof. Qihuang Gong in collaboration with Prof. Guoning Xu from Academy of Opto-Electronics, CAS, and Prof. Wei Huang from Northwestern Polytechnical University, have reported the stability study of PSCs in near space.