WASHINGTON — A dinosaur fossil at the Smithsonian's National Museum of Natural History is celebrating a big achievement for one of its fossils. Its fossilized skeleton of the Jurassic dinosaur ...

Allosaurus was among the earliest dinosaur discoveries, and fossils are plentiful, making it a darling of paleontologists, as well as amateur dinosaur observers. Fossils possibly belonging to ...

Displayed in the National Museum of Natural History’s Deep Time Fossil Hall, the Allosaurus Fossil Is Now the Name-Bearing Specimen for the Entire Species Note to editors: Photos of the type specimen ...

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For mode A, the applied bite force represents a minimum estimate based on an ectothermic model of dinosaur physiology (see Methods for calculation). Forces in mode B represent a maximum estimate, ...

A remarkable new species of meat-eating dinosaur has been unveiled at the Natural History Museum of Utah. Paleontologists unearthed the first specimen in early 1990s in Dinosaur National Monument in ...

Being referred to as thickheaded isn’t exactly a compliment. Depending on your lifestyle, however, you just might need a skull that can occasionally take a good smack. Consider a carnivorous dinosaur ...

There’s a new dinosaur at the Utah Museum of Natural History, and its name is Allosaurus jimmadseni. Well, it’s not exactly new. According to scientists, the carnivorous beast roamed western North ...

A remarkable new species of meat-eating dinosaur, Allosaurus jimmadseni, was just unveiled. The huge carnivore inhabited the flood plains of western North America during the Late Jurassic Period, ...