In this Thursday, Dec. 17, 2020 photo provided by China's Xinhua News Agency, technicians prepare to weigh a container carrying moon samples retrieved by China's Chang'e 5 lunar lander in Beijing. In a report published in the journal Nature Geoscience on Monday, March 27, 0223, scientists announced they have discovered a new and renewable source of water on the moon for future explorers in the lunar samples. Water was embedded in tiny glass beads in the lunar dirt where meteorite impacts occur. (Jin Liwang/Xinhua via AP, File)