When Non-Avian Dinosaurs Went Extinct, the Earth Changed—Literally. Scientists Think They Finally Know Why

The article discusses the dramatic changes that occurred on Earth when non-avian dinosaurs went extinct around 65 million years ago. Researchers have found significant differences in the rock layers deposited before and after this extinction event. The extinction of non-avian dinosaurs was a major turning point in the planet's history. Scientists believe that the event was triggered by a massive asteroid impact, which caused widespread environmental changes, including climate shifts, global wildfires, and the disruption of the global ecosystem. These environmental changes are reflected in the rock record, with the layers deposited before the extinction event differing significantly from those deposited after. The article suggests that these changes were not just a result of the extinction itself, but also due to the subsequent recovery and reorganization of the Earth's ecosystems. The findings provide valuable insights into the long-term consequences of such a dramatic event and the resilience of the planet's ecosystems in the face of major disruptions.