Asteroids. From bullet-sized rocks to massive slabs as big as a city, they hurtle through the solar system pulverizing anything they crash into. Decimating vast forests in the Siberian wilderness. Gouging out huge chunks of the planet, killing off the dinosaurs. Asteroids have had an enormous literal impact on history. As we go IN SEARCH OF HISTORY we'll discover if our fate is truly in the heavens...and in the path of an asteroid.