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 across the world to apply to study the lunar rock samples the Chang’e 6 probe brought back to Earth in a historic mission, but noted there were limits to that cooperation, specifically with the U.S. Officials said at a televised press conference in Beijing meant to introduce the mission’s achievements that any cooperation with the U.S…