Fossilized footprints, preserved in gypsum mud that hardened over time, are estimated to be 23,000-21,000 years old. NPS / Alamy Ancient human footprints, preserved in a dry lakebed at White Sands ...
It’s officially game week, which means a first look at the Arizona Wildcats’ depth chart. Arizona released its Week 1 depth chart on Monday ahead of the No. 21-ranked Wildcats’ season opener against ...