The four astronauts heading to the moon for the lunar fly-by are the first humans to venture there since 1972. The ten-day mission will travel more than 600,000 miles.
NASA could launch four astronauts on a mission to fly around the moon as soon as March 6th.
That's the launch date that the space agency is now working towards following a successful test fueling of its big, 322-foot-tall moon rocket, which is standi... [1890 chars]

