About about 145 million to 200 million years ago during the Jurassic Period, Earth’s creatures had to contend with one of the most powerful, ferocious predators that ever lived—a clawed, flesh-eating, ...

WASHINGTON (Reuters) - The dreaded dinosaur Allosaurus was the scourge of the Jurassic Period landscape some 150 million years ago, an apex predator just as Tyrannosaurus rex was 80 million years ...

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 ...

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 ...

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 ...

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 ...