A groundbreaking discovery has been made on the Moon’s far side, as rare meteorite debris was uncovered by China’s Chang’e 6 mission. These samples, collected for the first time from this remote location, could hold the key to unlocking secrets about the evolution of our solar system.
Scientists in China were surprised to find fragments of a rare type of meteorite among the rock samples brought back by the Chang’e 6 mission. Resembling material from asteroids that pre-date the Solar System, these debris could provide valuable insights into how asteroids seeded planetary bodies like Earth and the Moon with volatile compounds, including water.
Yuqi Qian, an Earth and planetary scientist at the University of Hong Kong, expressed astonishment at this unexpected discovery. The findings were reported in the Proceedings of the National Academy of Sciences earlier this week, shedding light on the significance of these rare meteorite fragments.
Most past lunar missions have focused on collecting samples from the near side of the Moon, which faces Earth and has fewer craters. However, Chang’e 6 landed on the far side, specifically at the Moon’s largest crater, the South Pole–Aitken Basin. This location, covering about a quarter of the Moon’s surface, offers a unique perspective on the lunar landscape and its geological history.
Initially, researchers believed the samples collected were from the Moon’s mantle. But further analysis of the chemical composition revealed discrepancies with other lunar materials, leading to the conclusion that these fragments originated from outside the Moon. By studying the oxygen isotopes present in the samples, scientists were able to trace their origins back to two rocky asteroids, Ryugu and Bennu, previously explored by NASA and the Japanese space agency.
The discovery of these rare meteorite fragments on the Moon suggests that such asteroids played a significant role in delivering water and other compounds to our neighboring celestial body. By delving deeper into the chemical composition of these samples, researchers hope to unravel the mysteries of how these space rocks influenced the formation and development of Earth and the Moon.
The team behind the Chang’e 6 mission plans to continue studying these samples to determine the age of the meteorite fragments and potentially link them to the creation of the South Pole–Aitken Basin. This groundbreaking research offers a glimpse into the ancient history of our solar system and highlights the importance of further exploration on the Moon’s far side.
This article, originally published on October 22, 2025, highlights the significance of this discovery and underscores the importance of supporting scientific research and exploration.
