NASA news: New Horizons closes in on asteroid more than FOUR BILLION miles from Earth NASA’S New Horizons space craft is embarking on its most ambitious missions to date as it closes in on an icy asteroid more than 4 BILLION miles from Earth. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Trilobites: NASA’s New Horizons Spacecraft Takes First Picture of Distant Rock It Will VisitE.P.A. to Reconsider Obama-Era Curbs on Mercury Emissions by Power PlantsThe Great Dying: Archeologists uncover new clues about the largest mass extinction everOverlooked No More: Ruby Payne-Scott, Who Explored Space With Radio WavesWhat happens when you die? Four most SHOCKING real-life stories SHAREDHiggs Boson: Is the Higgs Boson DECAYING? Scientists make SHOCKING discovery