The skulls of three hadrosaur dinosaurs, Lambeosaurus lambei (top left), Gryposaurus notabilis (top right), Parasaurolophus walkeri (lower). Disclaimer: AAAS and EurekAlert! are not responsible ...

But in 2024, scientists from Japan and Mongolia uncovered huge dino footprints in the Mongolian desert which look to have belonged to a massive hadrosaur. This giant Saurolophus would not only be ...

The skull dates back to the Paleogene Period, a time that followed the extinction of the dinosaurs and saw the rapid diversification of many life forms, including mammals. Hyaenodonts were the ...