EarthLack of cracks may explain Peru meteorite mystery A meteorite that hit the town of Carancas last year may not have fragmented in the atmosphere because it was unusually tough 51¶¯Âþ
SpaceSolar system 'bounce' may send comets our way The up-and-down motion of the solar system as it orbits the Milky Way may trigger periodic comet showers that strike the Earth 51¶¯Âþ