A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how dinosaurs spread across the globe.

Dinosaurs, the colossal creatures that dominated the Earth millions of years ago, have long fascinated scientists and the public alike. Each new discovery not only ignites imaginations but also deepens our understanding of these prehistoric giants.

A newly discovered dinosaur, uncovered by UW-Madison paleontologists, is reshaping the understanding of prehistoric reptiles.