The find could alter theories of how the solar system evolved and where some comets came from.
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Scientists said the finding could dramatically alter theories about the pace of early mammals'global advance in the waning days of the dinosaurs more than 65 million years ago.
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Thousands of dot-like indentations engraved on a group of monoliths could be the world's oldest rock art and the discovery of other artifacts could radically alter theories about early human life, archaeologists said Saturday.
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