NASA tracking bus-sized asteroid approaching Earth tomorrow

According to the space agency's tracking, the rock is hurtling through space at more than 21,500 miles per hour.
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NASA alerts Earth to asteroid that could be on a collision path

NASA’s latest alert about a near‑Earth asteroid has revived a familiar mix of anxiety and curiosity about what would happen if a space rock really were on a collision course with our planet. The ...
NPR

Asteroid headed toward Earth? NASA simulation explores how the nation might respond

Imagine if scientists discovered a giant asteroid with a 72% chance of hitting the Earth in about 14 years — a space rock so big that it could not only take out a city but devastate a whole region.