NASA administrator weighs in on China’s historic lunar far side samples — and potential US access CNNChina opens Chang'e 6 return capsule containing samples from moon's far side Livescience.comChina says U.S. can't stop it from taking 'giant steps' in space The Washington PostFirst ever rocks from the Moon's far side have landed on Earth Nature.comLunar samples: China calls on US to 'remove obstacles' to space cooperation South China Morning Post