NASA asteroid ALERT: Asteroids 'STRONGER and HARDER TO DESTROY' than first thought NASA scientists have warned how asteroids are harder to destroy, in potentially dire news for the future of life on Earth. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:substance: What Are Adaptogens?Sex on Mars: Humans to find it problematic to romp on Red PlanetFour More People Die From Tainted Romaine LettuceTrilobites: Ladybugs, Aphids and the Toxic Combat That Might Be Happening in Your GardenNASA news: How to use the toilet in zero gravity - Peggy Whitson shares SHOCK TRUTHNazca Lines SHOCK discovery: 25 mysterious new glyphs found - but WHO left them?