The new study upends one from the early 1990s, Brink said. Researchers first noticed these cryptic cracks on the tooth of a T. rex cousin named Albertosaurus about two decades ago.

Danielle Default The new study upends one from the early 1990s, Brink said. Researchers first noticed these cryptic cracks on the tooth of a T. rex cousin named Albertosaurus about two decades ago.

A dinosaur bone bed in southwest Edmonton that served as a feeding area for the direct ancestor of Tyrannosaurus rex has revealed that two dinosaurs, thought to have lived in different eras ...

Tyrannosaurus rex was a vicious creature, capable of delivering killing blows while engaged in battle. Now, researchers have found the ancient animals possessed powerful tools that helped them win ...

The Tyrannosaurus Rex has long been the creature of nightmares — but the "King of Tyrant Lizards" had a cousin who may have been just as terrifying. With the help of a paleontology enthusiast ...

Two tyrannosauroids, Dilong and Yutyrannus - relatives that predated T. rex by some 50 million years - were covered in feathers. As for T. rex, artists drew ferocious and fluffy concept art.

"Tyrannosaurs are often referred to as kings of the Cretaceous, and Tyrannosaurus rex means the tyrant lizard king, so we wanted something that comes before a king, which is a prince." ...

A model of “Scotty,” a Tyrannosaurus rex discovered in 1991 near Eastend, Sask., in the Frenchman River Valley is pictured. Handout, Royal Saskatchewan Museum ...

Named the “king of the tyrant lizards,” T. rex was built to rule. Find out how these dinosaurs lived, what made them so vicious, and what we’re still learning about them today.

Tyrannosaurus rex, the most famous dinosaur in popular culture and long considered the apex predator of its era, was apparently not alone. Thigh bone and tooth variations in assembled T-rex ...

Two tyrannosauroids, Dilong and Yutyrannus — relatives that predated T. rex by some 50 million years — were covered in feathers. As for T. rex, artists drew ferocious and fluffy concept art.