also filled the present-day Gulf of Mexico with nutrients for at least 700,000 years, the researchers concluded. In the core drilled from the impact site, called "Chicxulub crater" (which you ...

About 66 million years ago, an asteroid slammed into the planet, wiping out all non-avian dinosaurs and about 70% of all marine species. But the crater it left behind in the Gulf of Mexico was a ...