In 2019, paleontologists discovered the fossilized remains of a new species of dinosaur in northern Montana. This dinosaur, ...

New analysis shows several families of dinosaurs were likely thriving in North America in the latter days of the dinosaur era ...

Dr. Alessandro Chiarenza, a co-author of the study, explained that geological changes like mountain building and sea-level ...

Ceratopsidae, Hadrosauridae and Tyrannosauridae. At face value, their analysis showed that dinosaur diversity peaked around 76 million years ago, then shrank until the asteroid strike wiped out ...

At first glance, the fossils appeared to point to a peak in diversity 76 million years ago among dinosaurs from the Ankylosauridae, Ceratopsidae, Hadrosauridae, and Tyrannosauridae families.

Dean and his team analyzed a dataset of more than 8,000 fossils from four types of dinosaurs that lived during this time, focusing on families like Ankylosauridae and Ceratopsidae. Among the 8,000 ...

For the study, the research team looked at the dinosaur clades Ankylosauridae (armored herbivores such as club-tailed Ankylosaurus), Ceratopsidae (large three-horned herbivores including ...