Something really big whizzing through space almost wiped out the human race in the 19th century, according to a study by Mexican astrophysicists.
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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.