# Asteroid strike sparked global firestorm that killed dinosaurs

Scientists have determined that the asteroid impact 66 million years ago ignited a worldwide firestorm that incinerated many dinosaurs, contributing to the mass extinction event. This finding helps clarify the mechanisms behind the end-Cretaceous extinction, offering deeper insight into how sudden environmental changes can drive species to extinction.

**Importance:** 3/5

## Sources

### Science
- [New Scientist](https://www.newscientist.com/article/2581822-asteroid-strike-caused-global-firestorm-that-incinerated-the-dinosaurs/?utm_campaign=RSS|NSNS&utm_content=home&utm_medium=RSS&utm_source=NSNS) — Tue, 28 Jul 2026 13:00:00 +0000