A new study in Current Biology analyzes the skulls of 18 large prehistoric predators, including the Tyrannosaurus rex, the ...

To study the skull and jaw of Allosaurus, Rayfield took advantage of the same techniques that engineers use to calculate the stresses in bridges and aircraft wings. First, she used computerized ...

But computerized three-dimensional models of a fossilized Allosaurus skull show the 1 1/2-ton meat eater to be one of the first real “airheads” in the animal kingdom, with a skull that was ...

Allosaurus possessed a more gracile skull, with curved, serrated teeth. Erlikosaurus had a slender and narrow skull, a beak-like snout tip and leaf-shaped teeth.

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.

They scanned the skull of a Allosaurus fossil - known as Big Al - into a computer, creating the most geometrically complex and complete model of any creature yet studied.

Scientists named the beast Allosaurus jimmadseni, after paleontologist James Madsen Jr. (1932-2009), recognizing him for his "herculean efforts of protecting, excavating, preparing and curating of ...