Don't count 'doomsday asteroid' out yet

Don't count 'doomsday asteroid' out yet - CNN.com: "With the recent fly-by of a 1,000-foot-wide asteroid labeled 99942 Apophis, one of a class of space rocks referred to as "near-Earth objects" or "Earth-grazers," scientists have revised their worst estimates of its chances of striking Earth. Current thinking is: We're safe. For the next couple of decades. But this does not mean the danger is over. Far from it."