China's Chang'e-5 retrieves 1,731 grams of moon samples

China's Chang'e-5 probe has retrieved about 1,731 grams of samples from the moon, according to the China National Space Administration (CNSA). Zhang Kejian, head of the CNSA, handed over the samples to Hou Jianguo, president of the Chinese Academy of Sciences (CAS) on Saturday.

Chinese Vice Premier Liu hailed the Chang'e-5...