Asteroid Could Collide with Red Planet

There is a newly discovered hunk of space rock that has a 1 in 75 chance of slamming into Mars on January 30, according to some scientists. These odds are extremely unusual. They frequently work with really long odds when they track threatening asteroids, said one of the astronomers with the Near Earth Object Program at NASA's Jet Propulsion Laboratory. The asteroid, known as 2007 WD5, was discovered in late November and is similar in size to an object that hit remote central Siberia in l908, unleashing energy equivalent to a 15-megaton nuclear bomb and wiping out 60 million trees