NASA launches its latest mission to Mars. The spacecraft MAVEN will take measurements in the Red Planet's atmosphere, in an effort to understand more about how its climate has changed. Mara Montalbano... more 
NASA launches its latest mission to Mars. The spacecraft MAVEN will take measurements in the Red Planet's atmosphere, in an effort to understand more about how its climate has changed. Mara Montalbano reports. less 
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Mon, Nov 18, 2013 3:00 PM EST