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, ...

Note to editors: Photos of the type specimen and other associated press materials can be found via Dropbox here. The Smithsonian’s National Museum of Natural History’s fossilized skeleton of the ...

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 ...

After digging in the dirt with chisels and brushes for hours and days and weeks, a team of paleontologists in Wyoming discovered something that made enduring the sunburns and dust worthwhile. In 2007, ...