Why Did Dinosaurs Go Extinct? The Asteroid, Evidence & Survivors

What really caused the dinosaurs to disappear—and how do scientists know? About 66 million years ago, an asteroid struck Earth. The impact was only the beginning: darkness, climate disruption and collapsing food webs transformed life across the planet. In this Wonder Bulletin explainer, follow the story from the Chicxulub impact to the clues preserved in rocks. Explore the role of the Deccan Traps, the challenges faced by survivors, and the surprising reason the dinosaur story is still unfolding today. CHAPTERS 00:00 A World of Dinosaurs 01:15 The Asteroid Strikes 02:37 When the Sky Went Dark 04:27 The Evidence in the Rocks 05:29 Asteroid or Volcanoes? 06:28 The Long Aftermath 07:35 Survivors and New Beginnings 08:39 Dinosaurs Are Still Here 09:39 The World We Inherited Which part surprised you most? Share your thoughts—and your next science question—in the comments. Subscribe to Wonder Bulletin for science, fascinating facts and clear explanations of the world around us. Stay curious. Understand more. Visuals include AI-generated reconstructions and illustrations; they are interpretations of prehistoric events, not recorded footage. Narration uses an AI-generated voice. #Dinosaurs #ScienceExplained #WonderBulletin