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 ...

WASHINGTON (Reuters) - You might call the Jurassic Period meat-eating dinosaur Allosaurus the ultimate big mouth. A new study analyzing dinosaur jaw musculature found that this fearsome hunter that ...

If the head-axe theory sounds vanishingly implausible to you, fair enough. But this is a legitimate, if disputed, line of scientific inquiry, supported by some eminent paleontologists, and there are a ...

A life reconstruction and skull model of Tyrannosaurus rex showing the jaw gape at optimal position to produce muscle force and the maximal possible jaw gape is seen in an undated handout illustration ...