An apocalyptic dust plume killed off the dinosaurs, study says
A fossilized Tyrannosaurus rex loomed over visitors to the French National Museum of Natural History in Paris during a special exhibit. (Stephane De Sakutin/AFP/Getty Images)smashed into what is now the Yucatán Peninsula roughly 66 million years ago. Most experts agree the event triggered a mass extinction that wiped out three-quarters of all species, including almost … Read more