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The Baltimore Sun

Mars rover

Mike Watkins, Ken Edgett and Sarah Milkovich discuss new images showing the surface of Mars during a news conference for NASA's Mars Science Laboratory Curiosity rover at Jet Propulsion Laboratory in La Canada Flintridge on Tuesday. The Curiosity robot is equipped with a nuclear-powered lab capable of vaporizing rocks and ingesting soil, measuring habitability, and potentially paving the way for human exploration.Patrick T. Fallon / Los Angeles Times