UTIG-Led Group of Scientists Have Received a $1.4 Million to Study the Causes of the End Cretaceous Mass Extinction The impact of an asteroid 66.0 million years ago on what is now the Yucatán Peninsula of Mexico caused the extinction of 75% of life on Earth, including non-avian dinosaurs, marine reptiles like mosasaurs and plesiosaurs,… Continue Reading Chicxulub Crater