Artist’s impression of a 6-mile-wide asteroid striking the Earth. Scientists now have fresh evidence that such a cosmic impact ended the age of dinosaurs near what is now the town of Chixculub in ... more 
Artist’s impression of a 6-mile-wide asteroid striking the Earth. Scientists now have fresh evidence that such a cosmic impact ended the age of dinosaurs near what is now the town of Chixculub in Mexico. less 
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LiveScience.com | Photo By Don Davis
Thu, Feb 7, 2013 2:20 PM EST