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 ...

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 ...

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 ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

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 ...

One night at dinner, 10-year-old dinosaur fan Kenyon Roberts asked a family guest — state Sen. Curt Bramble — why Utah had made the Allosaurus its official state fossil. “I didn’t know we had a state ...

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% ...

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Paleontologists have announced that a new species of dinosaur has been discovered in Utah. The new species is named Allosaurus jimmadseni and was discovered in Dinosaur National Monument in Utah in ...

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 ...

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 ...

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 ...