Scientists are closely watching a recently discovered asteroid that is being called a potential "city-killer." NASA calculates there is a 1.6% chance it could hit the Earth in 2032. CBS News space ...
NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet. The space rock—dubbed "2025 BV5"—is estimated by NASA's Jet Propulsion ...