A new species of dinosaur has been identified from a partial skeleton discovered in Colorado, researchers said. The ...

From a phylogenetic perspective -- how the dinosaur family tree branches over time -- it is predicted that ornithischian remains should first appear in the fossil record about 225 million years ago.

From a phylogenetic perspective – how the dinosaur family tree branches over time – it is predicted that ornithischian remains should first appear in the fossil record about 225 million years ago.

A new species of dinosaur has been discovered by a group of Chinese paleontologists at Yunnan University. It is an ornithischian that lived on Earth 193 million years ago. It is ca ...

Paleontologist Anthony Romilio looked at three rock slabs bearing footprints. Most of the footprints come from one slab, which was discovered in 2002.

Learn more about the schoolyard dinosaur discovery, which found 200-million-year-old fossilized footprints on a boulder from Australia's Early Jurassic period hiding in plain sight.

By using dinosaurs' close reptilian cousins to close gaps in the fossil record, a new model points to an ancient supercontinent as the birthplace of the extinct creatures. Monique Merrill / January 23 ...

Rocks containing dinosaur footprints used as bookends, parking lot markers. Community members contacted Romilio about the specimen containing 66 prints once they found out about his previous work.

New dinosaur identified after fossils unearthed in Thailand 03:50. A dinosaur skeleton uncovered by scientists in northeastern Thailand is likely that of a newly discovered species, Minimocursor ...

More information: Shukang Zhang, Biogenic origin of secondary eggshell units in dinosaur eggshells elucidates lost biomineralization process in maniraptoran dinosaurs, Science Advances (2025). DOI ...