Dinosaur fossils discovered by paleontologists working with the University of Wisconsin-Madison have been determined to be the oldest-known fossils, presenting evidence that the species was in existence millions of years before previously thought. Dave Lovelace, a research scientist at the University of Wisconsin Geology Museum, co-led the expedition with Aaron Kufner, a graduate student at the university. Lovelace and Kufner discovered the fossils in 2013 nestled within the Popo Agie rock f...
