An asteroid about as long as the Great Pyramid of Giza is tall made a "close" approach with Earth on Sunday (July 25), according to NASA calculations. There is no worry that the space rock poses any ...
The 2008 GO20 asteroid is between 318 and 720 feet tall (220 meters) and has drawn comparisons to a number of famous world structures to convey just how big it is, including the Taj Mahal and the ...