Dissent Grows as Scientists Oppose NASA's New Moon Mission, Popular Mechanics
"NASA's current plan for manned space exploration focuses on establishing a base on the moon, as a vital stepping stone for a visit to Mars. The initiative has been trumpeted by the Bush administration, which wants the first mission to launch by 2020. But trouble is brewing as a growing group of former mission managers, planetary scientists and astronauts argues against any manned moon mission at all. One alternative, they say: Send astronauts to an asteroid as a better preparation for a Martian landing."