School Bus-Sized Asteroid Circles Close To Earth ThursdayA school bus-sized asteroid came within about 13,000 miles of the earth Thursday, according to scientists.
JPL Says School Bus-Sized Asteroid To Zoom Safely Past EarthAn asteroid the size of a school bus is expected to "safely zoom past" Earth on Thursday, NASA's Jet Propulsion Laboratory in Pasadena said Tuesday. Katie Johnston reports.