Earth's meteorite impacts over past 500 million years tracked

For the first time, a unique study has tracked the meteorite flux to Earth over the past 500 million years. Contrary to current theories, researchers have determined that major collisions in the asteroid belt have not generally affected the number of impacts with Earth to any great extent.

from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/06/210608113203.htm