A "remarkable" new species of giant horned ... “This new dinosaur pushes the envelope on bizarre ceratopsian headgear, sporting the largest frill horns ever seen in a ceratopsian.

The exact species of the Montana Dueling Dinosaurs, as the specimens have become known, are still in contention. The larger of the two appears to be a ceratopsian, from the family of beaked and ...

A group of researchers discovered the first physical evidence of an ankylosaurid ankylosaur in the Canadian Rockies, a first.

KOBE—Fossils found in Hyogo Prefecture are of a new genus and species of primitive ceratopsian, a plant-eating beaked dinosaur from about 110 million years ago, researchers said. The research ...

The world's oldest known ceratopsian dinosaur was found in Morocco, including a fossilized femur. The discovery, published in Royal Society Open Science, confirms that ceratopsians existed as ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...