Let’s learn about dinosaur extinction

Why did dinosaurs disappear 66 million years ago? Here’s what the science has turned up

The Tyrannosaurs rex went extinct along with most of its dinosaur brethren 66 million years ago.

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For tens of millions of years, dinosaurs roamed the planet. They lived on every continent, even Antarctica. And then, 66 million years ago, they just disappeared. Now, the only dinosaurs remaining are what we call birds.

What drove dinosaurs to extinction? Read these stories to find out:

What killed the dinosaurs? (1/21/2017) Readability: 8.1

Reliving the last day of the dinosaurs (6/13/2019) Readability: 7.2

Study appears to rule out volcanic burps as causing dino die-offs (3/2/2020) Readability: 8.2

Explore more:

Scientists Say: Extinction

Explainer: What are asteroids?

Explainer: How a fossil forms

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Check out these videos about dinosaurs and fossils from the American Museum of Natural History.

In this video from the American Museum of Natural History, paleontologist Aki Watanabe explores what may have caused the dinosaurs’ demise.

Sarah Zielinski is managing editor of Science News for Students. She has degrees in biology and journalism and likes to write about ecology, plants and animals. She has two cats, Oscar and Saffir.

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