The sky is falling

6 theories that explain why dinosaurs really went extinct

by Robin Bea

MARK GARLICK/SCIENCE PHOTO LIBRARY/Science Photo Library/Getty Images

Even if you weren’t paying attention in science class, you probably know that an asteroid (known to scientists at the Chicxulub impactor) killed the dinosaurs.

It’s a fact that even kids’ cartoons and bizarre ‘90s sitcoms assume everyone knows — so why is this 66-million-year-old case still open?

Tap
Space, Time, Dinosaurs, and Other Essential Topics
Get the best of science—space missions, black holes, futuristic biology—delivered daily, minus the jargon.
By subscribing to this BDG newsletter, you agree to our Terms of Service and Privacy Policy