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:The Most Wonderful Smelling Time of the YearNASA Mars probe: Investigation launched after strange ’golden rock’ found on MarsNeil deGrasse Tyson Denies Misconduct Accusationsnews analysis: Genetically Modified People Are Walking Among UsSpaceX launch LIVE stream: Watch Falcon 9 BLAST OFF live online HEREGlobal Health: ‘From Nothing to Gangbusters’: A Treatment for Sickle-Cell Disease Proves Effective in Africa