T rex footprints unearthed in first-ever discovery 66 million years after creature walked the EarthScienceSep 16 at 8:00 AM – Sep 16 at 4:38 PM3 outletsUnited StatesFox NewsT rex footprints unearthed in first-ever discovery 66 million years after creature walked the Earth Sep 16 at 8:00 AMThe New York TimesA T. Rex Walked Here: Teacher Finds Rare Footprints in North Dakota Sep 15 at 5:19 PMThe Daily BeastScientists Make Wild 66-Million-Year-Old Discovery seen Sep 16 at 4:38 PM