Dinosaur Extinction - Earth Discover

An artist’s depiction of a large asteroid striking Earth, representing the end of the Cretaceous and the start of the Paleogene period in geologic history, about 65 million years ago

c. 65 Million BCE: The Asteroid Impact and the Demise of the Dinosaurs

The extinction of dinosaurs 65 million years ago, marking the Cretaceous-Paleogene boundary, is attributed to a large asteroid impact, evidenced by global iridium deposits. This event led to dramatic climatic changes and the demise of [...]