NASA is sending Maven to Mars to study its upper atmosphere. Scientists want to know why Mars went from being warm and wet during its first billion years, to the cold and dry place it is today.
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Millions of your tax dollars are spent to police the skies over Washington to keep your neighborhood safe. The ABC7 I-team breaks down the alarming cost of flagging pilots who fly into restricted airspace. Watch our I-Team investigation "Pricey Protection," TONIGHT on ABC7 News at 11 after "How To Get Away With Murder" at 10pm.