Researchers find ultimate smoking gun in dinosaur extinction Ever since the first dinosaur fossils were discovered, humans have wondered how the massive beasts lived and, ultimately, what caused them to not exist anymore. A few decades ago, one theory began to look more and more plausible. That theory involved a huge crater found in the Gulf of Mexico which was large enough that the impact that created it could have dramatically affected the entire planet. https://bgr.com/2021/02/25/science-news-dinosaur-extinction-evidence/ #Science