Duck-billed dinosaurs belonged to the 'hadrosaurus' category of herbivorous dinosaurs that roamed prehistoric wetlands.

Missouri’s official state dinosaur: “Parrosaurus missouriensis.” (Image courtesy: Shutterstock) JOPLIN, Mo. — Like most states in the U.S., Missouri has a complicated geological past. Several times ...

Two hundred years ago, an English geologist named William Buckland found a fossil unlike anything he’d ever seen. He called it "Megalosaurus" and thought it belonged to a large lizard. Little did he ...

Paleo-ecologists from The University of New Mexico and at the University of Nebraska-Lincoln have demonstrated that the offspring of enormous carnivorous dinosaurs, such as Tyrannosaurus rex may have ...

Editor’s Note: Science has transformed our understanding of dinosaurs in the past two decades. Get caught up with what’s new in this five-part CNN series. Defined by their disappearance dinosaurs ...