To claim we’ve already been to the moon is like spending a day each in Iowa, Arizona, Rhode Island and maybe Western Pennsylvania and saying you’ve already been to Earth. There’s a lot more to see on the moon — including the whole far side, the half that’s perpetually turned away from us. That’s one reason for the excitement behind the Chinese-led mission Chang’e-4, which landed in this unexplored region last week.

Why did we stop going in the first place?  To read more, click here.