(CN) — A fossil long at the center of one of paleontology’s fiercest debates has finally given up its secret, and it’s rewriting what scientists know about Tyrannosaurus rex. Researchers studying the ...

Tyrannosaurus rex is often called the scariest and most feared dinosaur to ever walk the Earth, but science still debates ...

A massive predator once roamed the Earth, towering over its rivals and casting a long shadow on the ancestors of T. rex. This giant, now known as Ulughbegasaurus, ruled the prehistoric world around 90 ...

Scientists at the NC Museum of Natural Sciences have found that what was believed to be a juvenile T.rex skeleton is instead a distant relative, the first of its kind to be found in a full skeleton.

Everyone knows Tyrannosaurus rex—but did you know these fierce predators started life as fluffy, gangly hatchlings? Or that they evolved from a family of mostly small, fast dinosaurs? Gabrielle Phifer ...

T. rex had one of the strongest bites in history, while other giant carnivorous dinosaurs hunted with slicing jaws. (CREDIT: Fausto García-Menéndez on Unsplash) When you think of the largest ...

Some scientists have suggested a different idea: T. rex’s arms may have evolved to be smaller as another body part grew larger. The fossil record reveals that arms got shorter as theropod skulls got ...

A new study reveals that the famously tiny arms of carnivorous dinosaurs like T. rex evolved because their massive skulls and ...

Together, they map out a broader evolutionary narrative, revealing that Asia was once a crucial stage for the rise of the ...