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Add Yahoo as a preferred source to see more of our stories on Google. An asteroid about the length of three football fields is due to pass closely – but safely – by Earth in a matter of hours. Talk of ...

A team led by University of Washington astronomers has discovered the fastest-ever spinning asteroid with a diameter over half a kilometer. The asteroid — found while analyzing data from the NSF–DOE ...

An asteroid about the length of three football fields is due to pass closely – but safely – by Earth in just a few hours. The gigantic space rock, which NASA compares to the size of a stadium, has a ...