China calls on scientists of all nations to study lunar samples, but notes obstacle with the US

China’s space officials said Thursday they welcomed scientists from around the world to apply to study the lunar rock samples that the Chang’e 6 probe brought back to Earth in a historic mission, but noted there were limits to that cooperation, specifically with the United States. China’s space officials said Thursday they welcomed scientists from around the world to apply to study the lunar rock samples that the Chang’e 6 probe brought back to Earth in a historic mission, but noted there were limits to that cooperation, specifically with the United States. Space Exploration Phys.org – latest science and technology news stories