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 ...

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% ...

Scientists have discovered rare fossil evidence of dinosaur cannibalism in a large quarry in Colorado. According to lead study author Stephanie Drumheller, it's likely that the predators were driven ...

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 ...

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, ...

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 ...

Not far from the Colorado-Utah border, the Mygatt-Moore Quarry bonebed is brimming with hundreds of fossils from Jurassic favorites like Apatosaurus and Allosaurus. Similar dinos have been found at ...

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