China has given Russia some of the first soil samples collected on the far side of the moon by the Chang’e-6 lunar lander. On June 3, 1.5 grams (0.05 ounces) of lunar soil collected during the mission were handed over to the Planetary Physics Department of the Russian Space Research Institute. “The transfer of the soil samples took place as part of the development of cooperation in space science and lunar exploration between Russia and China,” the institute said. “Researchers will study the...