Zipping toward Earth at around 20,000 miles per hour, the asteroid is due to make its closest approach on Tuesday.

NASA is monitoring a bus-sized asteroid that is zipping towards our planet at more than 18,300 miles per hour, according to the Center for Near Earth Object Studies (CNEOS). The asteroid, known as ...

NASA is monitoring a bus-sized asteroid that’s soaring towards Earth at nearly 8,000 miles per hour, according to the space agency's Center for Near Earth Object Studies (CNEOS). Estimated to measure ...