Fresh fossil analyses suggest the Kotlin Crisis 550 million years ago wiped out up to 80% of marine species, making it ...
Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...
A nearly complete 10-metre-long Machimosaurus rex fossil discovered just beneath the Sahara sands in Tunisia is reshaping scientists’ understanding of marine reptile survival. The find, dating to ...
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