Every day, roughly 25,000 asteroids larger than 460 feet orbit near Earth, posing risks of regional devastation from a single ...
On March 21, 2021, an object the size of the Empire State Building—traveling at 77,000 miles per hour—passed within 1.25 ...
A building-sized asteroid had a 1-in-32 chance of hitting Earth at its peak, but astronomers soon found there was zero chance ...