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 ...

The hunting allosaurus used its head like a baseball bat, knocking its prey sideways before using its teeth to tear away flesh. Allosaurs, which were built like tyrannosaurs only smaller, lived and ...

(CNN) — Allosaurus was a fierce predator at the top of the dinosaur food chain millions of years before Tyrannosaurus rex claimed its “king of the dinosaurs” title and researchers have now discovered ...

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 ...

In a paper published August 23, authors Cameron Pahl and Luis Ruedas, of Portland State University, show that Allosaurus, a large carnivorous dinosaur from the Jurassic that has long been thought to ...

One of the things that really bugs me about the Jurassic Park movies is the prominent role given to Tyrannosaurus rex—a dinosaur that didn’t appear until the ensuing Cretaceous period. I am therefore ...

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, ...