The same sort of cataclysmic impact that wiped out the dinosaurs 66 million years ago could have provided a refuge for life early in Earth’s history, when space rocks regularly pummeled the planet.
That’s the finding of a group of researchers who’ve just completed the first scientific analysis of rock cores collected from the central part of the Chicxulub impact crater off the coast of Mexico’s Yucatan Peninsula.
This spring, an international team used an offshore drill