NASA asteroid SHOCK: Space agency tracks MILE-WIDE space rock barreling past Earth TONIGHT NASA’S asteroid trackers are paying close attention to a colossal space rock measuring more than one mile across as it scrapes past our planet later tonight. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Trilobites: Taking Photos Won’t Take You Out of the Moment, Study SuggestsHow To Stay Sane During a Solar EclipsePursuits: Birders and Naturalists Ponder the Fate of the Greater Sage GrouseWhat Happens to Solar Power in an Eclipse? We’ll Find Out MondaySolar Eclipse 217 path mapped: Where will the solar eclipse head this year?The Demons of Darkness Will Eat Men, and Other Solar Eclipse Myths