It's been buried under Hell Creek for 66.5 million years, and it isn't a fossilized bone. Scientists just found a trackway that lets them follow an adult T. rex's exact path, step by step, and what it reveals about how this predator moved has never been seen before.
A High School Teacher Stumbled on a 66.5-Million-Year-Old T. Rex Trackway, and Paleontologists Couldn't Believe Its Speed
