Inside NASA’s scramble to find a backup moon plan — and the wild ideas companies are pitching

As NASA’s moon-landing plans with SpaceX hang in the balance, other bold ideas are quietly starting to take shape.
CNN

NASA has a wild plan to return astronauts to the moon. Here’s why experts are starting to worry

Calls for the United States to return astronauts to the moon before the end of the decade have been increasingly loud and frequent, emanating from bipartisan lawmakers and science advocates alike. But ...