Simulations calculated Tyrannosaurus speed from the motion of its swaying tail, finding that the massive dinosaur was a ...

For more than a decade, paleontologists have speculated about a single fossil that preserves skeletons of two of the world’s most famous dinosaurs, Tyrannosaurus rex and Triceratops. Not only ...

A new study finds evidence that flesh covered the predators’ teeth. Tyrannosaurus rex and other carnivorous dinosaurs likely had soft tissue that covered their sharp teeth, as seen in this ...

More than 66 million years ago, a “tyrant lizard king” ruled western North America: the fearsome predatory dinosaur Tyrannosaurus rex. But how large was this monarch’s royal family?

Weighing more than four tons and stretching about 36 feet long, the newly discovered carnivore shared several physical traits with Tyrannosaurus rex ... Minnesota and National Geographic Explorer ...

The bone-shattering bite of a Tyrannosaurus rex could have crushed a car, delivering up to six tons of pressure to its hapless victims. But while multiple lines of evidence support this estimate ...

What did Tyrannosaurus rex eat? The obvious answer is “Anything it wanted,” but paleontologists have uncovered some surprises in the actual mealtime habits of the Cretaceous carnivore.

A carnivorous species dubbed Koleken inakayali roamed the Earth 70 million years ago, and had even tinier forelimbs than the ...

If you thought Tyrannosaurus rex had short arms ... inakayali has been identified as living 70 million years ago. National Geographic Explorer Diego Pol and a global team of researchers and ...

If you thought Tyrannosaurus rex had short arms, wait until you see this newly discovered dinosaur. The carnivorous species Koleken inakayali has been identified as living 70 million years ago.

“There’s still a lot to learn about dinosaurs, even a dinosaur as famous as Tyrannosaurus rex,” says lead study author Holly Woodward, a paleontologist at the Oklahoma State University Cente ...