We’ve all seen pictures of the Apollo 17 astronauts walking on the Moon in 1972. And while some people still refuse to believe this happened, NASA is setting its sights on the Moon again. Starting in ...

Before the Apollo missions, there were the Mercury missions. Astronauts had to learn to walk before they could run. They had to be sure they could get into orbit, then back to Earth safely. They had ...

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 ...