In search of possible causes of mass extinctions -- Historical background -- Evidence for catastrophic organic changes in the geological record -- Impact by comets and asteroids -- Sea-level changes - ...
Mass extinctions, volcanism, and impacts: The geological extinction record : history, data, biases, and testing / Norman MacLeod -- Large igneous provinces and mass extinctions : an update / David P.G ...
Extinction rates are not spiraling upward as many believe, according to a large-scale study analyzing 500 years of data. Researchers found that species losses peaked about a century ago and have ...
About 66 million years ago – perhaps on a downright unlucky day in May – an asteroid smashed into our planet. Even groups that weathered the catastrophe, such as mammals, fishes and flowering plants, ...
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