But this is where Ahvaytum may rewrite the origin story because it originates from the North American landmass, which once formed part of Laurasia. At roughly 230 million years old, it is comparable ...

With a 15-foot wingspan, H. peterseni was likely a fearsome predator. The newly identified species of thescelosaurine, Fona herzogae was a dog-sized plant-eating dinosaur that lived about 99 million ...

The fossil was unearthed in the Los Blanquitos Formation near Amblayo, in the north of Argentina. It dates to between 75 and ...

Scientists from the Perot Museum of Nature and Science recently named a newly discovered species of a plant-eating dinosaur, suggesting the animal once used to roam eastern North America more than ...