title: SOLAR SYSTEM EXPLORATION: A More Cautious NASA Sets Plans for Mars.
abstract: Twice burned by mission failures last year, NASA managers last week unveiled a new 15-year blueprint for Mars exploration. The revamped strategy allows for doing more science, but at a slower pace, while delaying a sample return until well into the next decade.
authors.forename: A
authors.initials: A
authors.lastname: Lawler