At first, they looked like muddy chunks of ancient shell. But these 20-million-year-old fossil oysters had been slowly ...
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A group of scientists just discovered fossils in Greenland that are 3.7 billion years old
Scientists have discovered the oldest known fossils on Earth, 3.7 billion-year-old microbial remnants, uncovered in Greenland’s Isua Greenstone Belt. This exceptional discovery suggests that life ...
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