T. rex evolved in North America from Asian ancestors. Climate shifts and extinction events helped tyrannosaurids and ...

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?

The end Cretaceous Northern Hemisphere fauna was dominated by Tyrannosaurids (such as Tyrannosaurus rex), hadrosaurs and ceratopsian ornithischian dinosaurs. (Image Credit: Pedro Salas and Sergey ...

The ‘king’ of the dinosaurs might not be the all-American predator it appears to be. While fossils of Tyrannosaurus rex are exclusively found in the USA and Canada, new research suggests its ancestors ...

SUE the T-Rex celebrating 25th anniversary at the Field Museum 00:30. The Field Museum is celebrating the 25th anniversary of ...

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the continents more than 70 million years ago, according to a new study.

The next time you go shopping for a new purse, your choices could go beyond traditional materials such as leather, nylon, cotton and polyester to include … Tyrannosaurus rex skin? Yes ...

Just not the T. rex from Jurassic Park. Instead, Jurassic World Rebirth ‘s T. rex is described as “bigger, beefier, and even ...

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the continents more than 70 million years ago, according to a new study led by ...

For over 30 years, the T. Rex we’ve known in the Jurassic Park franchise has been Rexy, the towering, thunderous icon of Isla ...

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 ...