Asteroid Impact

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  • Asteroid Impact Theory Goes Extinct
    By Mark Levy July 13, 2009
    Many of us grew up with the idea that dinosaurs died out as a result of a major asteroid impact with the Earth, but that theory seems to be as dead as the dinosaurs.
  • Can We Stop an Asteroid Impact?
    By S. Landis September 6, 2007
    Asteroid collisions such as the one that killed the Dinosaurs 65 million years ago occur periodically and cause mass extinctions. Can we stop the next one and if so, how?