NASA administrator weighs in on China’s historic lunar far side samples — and potential US access

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The government of China now possesses something that no other humans have ever encountered — rocks and soil from the far side of the moon. The successful return of the Chang’e-6 lunar mission with the historic cache on June 25 was a scientific coup that further solidified China’s place as one of the world’s top space powers, rivaled only by …