Two Asteroids, One Dinosaur Extinction: Second Crater Bolsters Double Impact Theory <img width="1500" height="1000" src="https://gizmodo.com/app/uploads/2024/10/chicxulub-asteroid-impact-dinosaurs-2.jpg" alt="Chicxulub Asteroid Impact Dinosaurs">The 5.3-mile-wide crater is now confirmed to be 66 million years old, suggesting that the dinosaurs' extinction was marked by the impact of at least two giant space rocks. https://gizmodo.com/two-asteroids-one-dinosaur-extinction-second-crater-bolsters-double-impact-theory-2000507085