What happened when a meteorite the size of four Mount Everests hit Earth?
Billions of years ago, long before anything resembling life as we know it existed, meteorites frequently pummeled the planet. One such space rock crashed down about 3.26 billion years ago, and even today, it’s revealing secrets about Earth’s past. Nadja Drabon, an early-Earth geologist and assistant professor in the Department of Earth and Planetary Sciences, … Read more