China's Chang'e-6 has unfurled the first flag to be flown on the dark side of the moon before returning to Earth with valuable rock samples that could reveal the moon's ancient history.

A large screen shows news video of a Chinese national flag carried by the Chang'e-6 lunar probe's lander on the far side of the moon, in Beijing, China, June 4, 2024. Tingshu Wang/REUTERS ...

Research work on building China's Chang'e 7 lunar exploration mission includes sending a flag that can flutter in the moon's thin and tenuous atmosphere. "We know that the moon is vacuum with no ...