China first in world launches space experiment using artificial embryo

China has initiated what scientists describe as the world’s first space-based experiment involving human artificial embryos, with the samples now aboard its space station and the study reportedly progressing as planned, researchers said on May 13.

The samples were delivered via the Tianzhou-10 cargo spacecraft, launched earlier this week, and subsequently installed in the space station’s experimental module by crew members, Caliber.Az reports, citing Chinese media.

The Technology and Engineering Centre for Space Utilisation under the Chinese Academy of Sciences is overseeing the project.

Project leader Yu Leqian said the experiment is going very well, and an automated system refreshes the culture medium for the samples on a daily basis.

Researchers say the aim of the study is to better understand key biological processes relevant to long-term human survival, habitation, and reproduction in microgravity environments.

The so-called artificial embryos are created from human stem cells and are designed to mimic aspects of early embryonic development. Yu emphasized that these are not real embryos and cannot develop into a human being, but serve as models for scientific research.

“The human artificial embryo is made of human stem cells as raw materials,” he said, noting that “This is not a real human embryo and does not have the ability to develop into an individual. However, it can serve as a model for studying early human development.”

The experiment includes two types of models: one grown using uterine cells and another developed within a microfluidic chip. Scientists aim to observe how microgravity affects early developmental processes, with parallel experiments being conducted on Earth for comparison.

The space-based study is expected to last five days, after which the samples will be frozen in orbit and later returned to Earth for detailed analysis alongside ground-based results.

Researchers hope the findings will help identify how space conditions influence early biological development and inform future human space exploration and long-term habitation.

Alongside this experiment, the Tianzhou-10 mission delivered supplies for China’s orbiting space station and supported 41 additional scientific projects, including studies involving zebrafish and mouse embryos.

By Bakhtiyar Abbasov