But T. rex was also the last of its meat-tearing family. The earliest tyrannosaurs evolved about 166 million years ago. In ...

One Tyrannosaurus rex seems scary enough. Now picture 2.5 billion of them. That’s how many of the fierce dinosaur king probably roamed Earth over the course of a couple million years, a new ...

T. rex still reigns as the king of dinosaurs, according to scientists who on Monday argued against a contentious hypothesis advanced this year that the mighty meat-eater Tyrannosaurus should be ...

A provocative study published earlier this year proposed that the world's best-known and perhaps best-loved dinosaur, Tyrannosaurus rex, was actually three separate species.

Few dinosaurs exude the same mystique as Tyrannosaurus rex but the tyrant lizard king that once roamed across North America might have been misunderstood. CNN values your feedback 1.

In the study, they found that this dinosaur was not T. rex after all but a never-before-seen sister species, Tyrannosaurus mcraeensis. This species was older and perhaps even larger than the T. rex.

A new study published in the Ecology and Evolution journal has uncovered the possibility that the Tyrannosaurus rex, widely regarded as the king of dinosaurs, may have been even bigger than we ...

Article Summary. LEGO debuts Jurassic Park Dinosaur Fossils: Tyrannosaurus Rex set with 3,145 pieces and a 1:12 scale replica. The towering T-Rex model stands 13 inches tall and 41.5 inches long ...

A newfound species of carnivorous dinosaur had disproportionately small arms, suggesting that this particular anatomical quirk — shared by the mighty but flimsy-armed Tyrannosaurus rex — may ...

Sue the T. Rex at Chicago’s Field Museum. Credit: National Park Service. There are few creatures, present or extinct, that hold the iconic status of the Tyrannosaurus rex. In museums and dinosaur ...

The “tyrant lizard king” – Tyrannosaurus rex – might have belonged to a dynasty. A research team has proposed splitting the famous species into three, with Tyrannosaurus imperator (tyrant ...