Asteroid Impacts on Earth More Powerful than Nuclear Bomb | Video

Between 2000 and 2013, 26 explosions ranging from 1-600 kilotons have been detected by the Nuclear Test Ban Treaty Organization's network of sensors.  (Full Story)

The bomb that decimated Hiroshima  had an energy equivalent of 15 kilotons.

Video: Asteroid Threat: Cutting Through The Red Tape To Save The World

credit : B612 Foundation