The Presidential Daily Brief


  1. Largest Asteroid Impact Ever Found

    Two space rocks apparently smashed into what is now Australia’s outback many millions of years ago, leaving an impact zone that stretches close to 250 miles wide. Scientists confirmed their findings in a paper published in the journal Tectonophysics. The direct hit would have been big enough to kill anything living on planet Earth at the time. So could this have been the big one that took out the dinosaurs? Scientists say it’s too soon to tell, although the data seems to point to probably not.


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