Ambitious Mars Science Lab rover set for Saturday launch

After a break for Thanksgiving, NASA plans to launch a $2.5 billion nuclear-powered rover to Mars for a long-awaited mission to look for evidence of carbon compounds and past or present habitability.<img src="http://feeds.feedburner.com/~r/cnet/tcoc/~4/s79Xgv8Dr2E" height="1" width="1"/> [More]

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