extinction event

  • Permian extinction caused by climate-changing meteor

    It’s well known that the dinosaurs were wiped out 66 million years ago when a meteor hit what is now southern Mexico but evidence is accumulating that the biggest extinction of all, 252.3m years ago, at the end of the Permian period, was also triggered by an impact that...
  • Giant asteroids hit earth more frequently

    Research by international scientists concluded that giant asteroids, similar or larger than the one believed to have killed the dinosaurs, hit Earth billions of years ago with more frequency than previously thought, U.S. space agency NASA announced.   To cause the dinosaur extinction, the killer asteroid that impacted Earth...
  • Study – Dinosaurs wiped out by “Nuclear Winter” effect

    Researchers from the University of Exeter, University of Edinburgh and Imperial College, London have recreated the huge amount of energy that would have been released by an asteroid colliding with earth. The experiment involved a heat furnace and various pieces of living and non-living plant material, which together with...

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