To sort the earliest branches of the dinosaur family tree, paleontologists compare skeletons piece by piece. They build ...

Researchers are uncovering the evolutionary steps that set the stage for dinosaurs to rule the planet Amy McDermott, PNAS Front Matter Paleontologists have found early examples of theropods, the group ...

Scientists recently announced newly described dome-headed dinosaur species, the most complete skeleton of its kind ever found ...

The dome-headed dinosaur is easily one of the most standout-looking creatures of the Cretaceous period. The image of their hardy dome-heads has slowly seeped into the public imagination via movies ...

A tiny plant-eating dinosaur that was about the same size of a chicken and occupied what’s now northern Spain some 125 million years ago is baffling scientists. The dinosaur, Foskeia pelendonum—named ...

Baby long-necked dinosaurs might have been the fast food of the Jurassic Period. A detailed food web of the time, reconstructed from fossil data, shows that the young not-yet-giants almost ...

Ecosystem reconstruction of the Late Jurassic Dry Mesa Dinosaur Quarry around 150 million years ago in Colorado, the United States. The landscape is dominated by gymnosperm plants such as conifers and ...

The team concluded that sauropods had a key role in this ecosystem, with substantially more links to plants and animals than the other main group of vegetarian dinosaurs, the ornithischians ...

Dinosaurs often get framed as giants locked in endless battles. Huge teeth, huge tails and huge drama. But the real story of survival in the Late Jurassic was quieter and far more lopsided. It ...