NASA asteroid Bennu mission: Why is space agency sending craft to giant space rock? A NASA spacecraft is set to reach a potentially Earth-threatening asteroid today more than two years after it started its journey. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:UnitedHealth Buys Large Doctors Group as Lines Blur in Health CareProof of aliens? Jupiter moon’s reveals ‘evidence’ it can support LifeNASA to send probe to asteroid worth £8,000 QUADRILLION which could DESTROY global economyTrilobites: What Happens When You Microwave a Boiled EggNew ‘Super Earth’ holds potential for alien life as study reveals hospitable environmentAre these the GREATEST words ever written about planet Earth?