A new study by American geophysicists overturns our understanding of exactly how dinosaurs died

A new study by American geophysicists overturns our understanding of exactly how dinosaurs died, suggesting that dust turning the planet into a giant oven was the main killer.

Scientists have long debated the causes of the great extinction at the Cretaceous-Paleogene boundary, considering factors such as nuclear winter, soot clouds, and catastrophic eruptions.