How humanity uncovered the truth about the asteroid that wiped out the dinosaurs.

How We Figured Out an Asteroid Killed the Dinosaurs · 12:40 · Video: PBS Eons · Watch at the source

In short: Sixty-six million years ago, a massive asteroid struck Earth, ending the age of the dinosaurs. This video tracks the rapid forty-year scientific journey from total ignorance of this event to pinpointing the exact origin of the impact that reshaped our planet.

For decades, the cause of the mass extinction remained a mystery. It was only within the last forty years that researchers successfully identified the existence of the space rock and confirmed its role as a planet-killer.

The discovery represents a significant shift in our understanding of geological and biological history, moving from speculation to precise identification of the impact event that occurred 66 million years ago.

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