Late Cretaceous Dinosaurs

Tyrannosaurus rex, one of the fiercest meat-eaters ever, is the animal that probably springs to mind when most of us hear the word "dinosaur."

By Mark Mancini

Ankylosaurus was a dinosaur with short, squat legs that allowed it to run at about 6 miles per hour – fast, but not fast enough to outrun a large carnivorous predator like Tyrannosaurus rex.

By Patty Rasmussen & Talon Homer

Triceratops — which literally means "three-horned face" — is one of the most spectacular and well-known of all dinosaurs. It shared the Cretaceous landscape with, and probably was preyed upon by, Tyrannosaurus rex.

By Mark Mancini

Constantly compared to the Tyrannosaurus rex, the Giganotosaurus was one of a handful of dinosaurs that rivaled, or possibly exceeded, the creature in size.

By Mark Mancini & Talon Homer

The villainous dinosaur from 'Jurassic Park' probably never had an affinity for water.

By Mark Mancini

Scientists are at odds about whether Velociraptors worked together to take down their prey.

By Mark Mancini

Tyrannosaurus rex was a giant predator that roamed the earth, so why did it have such tiny arms?

By Mark Mancini

OK, hop in your time machine and go back 67 million years or so to the Cretaceous period. Then find a Tyrannosaurus rex and challenge it to a race. Sounds crazy, huh? Could you really outrun a Tyrannosaurus rex?

By Alison Cooper

Since it was named in 1979 by John Horner and Robert Makela, Maiasaura has become one of the most famous dinosaurs. It has provided information about how it cared for its young and the early development of dinosaurs. Learn more about the Maiasaura.

By the Editors of Publications International, Ltd.

The Velociraptors in "Jurassic Park" were roughly the size of humans. In reality, they were about the size of an average turkey.

By Mark Mancini