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Newfound fossils of a giant dolphin-shaped reptilian predator are now shedding light on how the world recovered after the most devastating mass extinction in history, researchers say.This...
Previously there have been three popular theories to explain the extinction of megafauna. Some suggest that climate change may have shrunk habitats, resulting in a long, slow megafaunal...
Around 40,000 years ago, the giant kangaroo disappeared from Australia. So did Diprotodon (rhinoceros-size wombats) and Palorchestes (tapirlike marsupials) as well as supersize birds,...