In "The Dinosaur Who Wondered Who He Was," a young dinosaur named Dioicus feels lost and alone, unsure of his identity and how to navigate the world around him. Throughout his journey, he meets ...

Collector Ralph Wunsch shows off his collection of dinosaur fossils, including a Diplodocus and an Allosaurus that are 155 million years old and were excavated in Wyoming in 2016. Wunsch thinks of ...

One of the most impressively complete dinosaur fossils ever recovered is getting an autopsy. Big Al the Allosaurus, a 150-million-year-old resident of Wyoming, recovered 30 years ago and currently 95% ...

The Smithsonian National History Museum’s fossil specimen of Allosaurus fragilis is perched like a nesting bird guarding a clutch of fossilized eggs. (Courtesy USNM V 4734, Department of Paleobiology, ...

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 ...