Asteroids Bomb Earth Constantly

Asteroids caused 26 nuclear-scale explosions in the Earth's atmosphere between 2000 and 2013, a new report reveals. … Some were more powerful – in one case, dozens of times stronger – than the atom bomb blast that destroyed Hiroshima in 1945 with an energy yield equivalent to 16 kilotons of TNT. … None of the asteroids were picked up or tracked in advance by any space- or Earth-based observatory….