On March 21, 2021, an object the size of the Empire State Building—traveling at 77,000 miles per hour—passed within 1.25 ...
Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.
A meteor is a broken fragment of rock from space, such as debris from an asteroid collision, that enters Earth's atmosphere. They are typically visible at night as they make fast-moving streaks ...