Dinosaur Extinction: The Rare Asteroid Theory | Science News

A rare CO chondrite asteroid, possibly from the outer solar system, struck Earth 66 million years ago, triggering the dinosaur extinction—not through sulfur, but by blanketing the planet in dust that blocked sunlight and caused global climate collapse. New nickel isotope analysis in global clay layers reveals this unusual meteorite’s unique signature, shifting blame from toxic gases to atmospheric chaos. It’s a cosmic fluke that reshaped life on Earth, proving how a single impact can erase an age. Listen in comfort:Get a discount on a Soli Pillow: http://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Report issues to [email protected]. View sources & latest updates:https://sources.thednn.ai/4692dde22b6a3382