Fossil Discovery Unlocks the Mystery of What Happened the Day the Dinosaurs Died
Imagine an event so catastrophic that it wiped out 75% of all living creatures on Earth—including the dinosaurs. This may sound like something out of a horror/sci-fi movie, but in reality, it's exactly what happened when the Cretaceous period came to an explosive end 66 million years ago. It's widely believed that an asteroid or comet, known as the Chicxulub Impactor, struck Earth just off of what is now the Yucatan.









































































