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Every school child knows the dinosaurs were killed off by an asteroid smashing into the Earth some 66 million years ago. But scientists say...
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Every school child knows the dinosaurs were killed off by an asteroid smashing into the Earth some 66 million years ago. But scientists say...
During 14 years of intrepid exploration across Mars, it advanced human knowledge by confirming that water once flowed on the red planet — but...
Built in a natural basin filled with the sediment of a former lake, Mexico City has proved particularly vulnerable to the devastating effects of...