https://j.people.com.cn/n3/2026/0514/c95952-20456172.html

World’s First Human Artificial Embryo Experiment Conducted on China’s Space Station Progressing Smoothly
People’s Daily Online (Japanese Edition), May 14, 2026, 13:46

Human artificial embryo samples transported into space aboard the cargo spacecraft Tianzhou-10 have now been installed in the experimental module of China’s space station, and the experiment is currently progressing smoothly.

This marks the world’s first experiment involving human artificial embryos conducted in outer space. According to Yu Leqian, in charge of the human artificial embryo space science project, the experiment is progressing very smoothly. The pre-programmed automated system is supplying fresh culture medium every day. Through this experiment, preliminary research is conducted into issues related to humanity’s future long-term stay, survival, and reproduction in space.”

Human artificial embryos are produced using human stem cells as raw material. They are not actual human embryos and do not possess the ability to develop into an individual human being, but they can serve as models for studying early human development. The experimental samples include two types of models. One type is placed on uterine cells, while the other is housed inside a microfluidic chip. The goal is to investigate how the microgravity environment of space affects the early development of human embryos. Identical experimental samples are also being studied simultaneously in laboratories on Earth.

According to the plan, after completing a five-day experimental period in space, the human artificial embryos will be cryogenically preserved in orbit. They will later be returned to Earth at an appropriate time, where comparative analyses between the space-based and ground-based experiments will be conducted. By comparing the development of the experimental samples in space and on Earth, it is hoped to explore the factors through which the space environment affects early human embryonic development and address the risks and challenges associated with long-term human survival in space.