Did dinosaurs live in Alabama? Fossils, museum finds and the famous Selma dinosaur egg reveal the state’s prehistoric past.

A rare looping dinosaur trackway in Colorado reveals new clues about sauropod movement and hints that the massive animal may have walked with a limp.

“Ankle bones of Purgatorius exhibit features that indicate it lived in trees, so we initially thought its absence south of Montana could be related to the sweeping devastation of forests from the ...