Asteroids sweep past Earth, one of them coming closer than the moon. USA TODAYNewly discovered asteroid larger than the Great Pyramid of Giza will zoom between Earth and the moon on Saturday Livescience.comStadium-sized asteroid to buzz by Earth on Saturday: 5 things to know The HillESA - Close approach of asteroid (415029) 2011 UL21 European Space AgencyTwo Asteroids Are About To Fly By Earth—One The Size Of Mount Everest Forbes