What Is the Cretaceous–Paleogene Extinction Event?
The Cretaceous-Paleogene (K-Pg) extinction event represents one of the most catastrophic moments in Earth’s history, when approximately 75% of all species vanished in a geological instant. This mass extinction, which occurred 66 million years ago, marks the boundary between the Mesozoic and Cenozoic eras and dramatically altered the course of evolution on our planet. Most ...












