First trackway of adult T. rex discovered in North Dakota

Scientists have confirmed the first known trackway of an adult T. rex: four three-toed footprints each roughly 90 centimeters long, found on federal land near Marmarth, North Dakota. The 7-meter-long trackway, discovered by amateur fossil hunter and teacher Kent Hups, dates to approximately 66.5 million years ago and is described in the Journal of Vertebrate Paleontology. Researchers, led by Tyler...