China this week is conducting a robotic lunar sample return mission, something the United States has never done. The mission is proceeding while a Chinese lunar rover is wrapping up its second year of service on the moon — on its far side, something also never done by the United States.
The latest from Louis D. Friedman
Policy & Politics
NASA officials, to their credit, and despite catcalls from the outside, are not rushing into a plan — instead they are developing what they call an “evolvable Mars campaign.”