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:Mars: How to use your mobile to watch Mars' closest approach ahead of Blood MoonDr. Kimishige Ishizaka, Who Found Allergy Link, Dies at 92Eclipse in India: How to see the Blood Moon in India and Pakistan? Timings of lunar eventGender Letter: Getting Real About Periods, Breast-Feeding, Menopause and MoreBlood moon 2018: Stargazers to get STUNNING meteor shower during space event of centuryEclipse 2018: STUNNING pictures show British Airway plane flying by blood moon phenomenon