Allosaurus was at the top of the food chain many years before T. Rex. Allosaurus was at the top of the food chain many years before T. Rex. Dinosaur Train is available to stream on pbs.org and 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 ...

In this month’s Specimen Spotlight, find out what makes the Smithsonian’s Allosaurus specimen so special Jack Tamisiea The museum’s fossil specimen of Allosaurus fragilis is perched like a nesting ...

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% ...

If there's one Jurassic Period predator that stands out from the crowd as the most famous of all, it has to be Allosaurus. It's the quintessential Jurassic theropod, the top predator of the Morrison ...

One of the Jurassic Period's fiercest predators, known for ripping apart its prey before gulping it down, has arrived at The Children's Museum. Fortunately for visitors, the Allosaurus died about 150 ...

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 ...

Dino file -- Meet Allosaurus -- Hooked claws -- Different bones -- Knifelike teeth -- Holey head -- Jurassic home -- Deadly hunter -- Out to kill -- On the move -- Eggs and babies -- Big al and big al ...

Not all giant theropods had a strong bite, and skull evolution played a major part in that. A new study in Current Biology analyzes the skulls of 18 large prehistoric predators, including the ...

A cast of the skeleton and skull of Allosaurus jimmadseni as it was discovered and now on exhibit at Dinosaur National Monument in Utah. The original skeleton was molded and cast before it was taken ...