NASA asteroid WARNING: 1,670 FOOT wide asteroid heading for ‘Earth Approach’ TODAY AN asteroid four times bigger than the Great Pyramid of Giza will zip past Earth this afternoon, NASA has warned. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Even Penguins Have Children Who Won’t Leave the NestThe Death and Rebirth of the Duncan GrapefruitWe Might Soon Resurrect Extinct Species. Is It Worth the Cost?News Analysis: An End to Heart Disease? Not QuiteTake a Number: More Grandparents Than EverPopular Prostate Cancer Therapy Is Short, Intense and Unproved