A bus-size asteroid is racing through space on a trajectory that will bring it close to Earth, and NASA is watching it with ...
The space rock is hurtling toward the Earth at a zippy 8,478 miles per hour miles per hour, according to the space agency.
A chunk of rock roughly the size of a city bus is about to skim past our planet, close enough for NASA’s instruments to track every move but far enough that it poses no threat. The flyby is a reminder ...