Mars Hot Rods

NASA plans to send twin rovers to the Red Planet

Mars has not been kind to NASA lately. It was only three years ago that the Pathfinder rover toddled across the planet, beaming home the best cosmic photo album ever assembled. Last year, however, the space agency's Mars program fell flat, when two other spacecraft failed en route to the planet without collecting a scrap of data. Now NASA is trying again. Last week the space agency announced plans to send a pair of souped-up rovers to Mars in 2003 and this time--via the Internet--to take Earthlings along.

The Pathfinder rover was a modest machine: 1 ft. tall and so slow...

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