The fossil - part of the “Dueling Dinosaurs” specimen – was unearthed in Montana. The post New fossil reveals T. rex had a ...

Now, a research team says new evidence resolves the case. The latest clue comes from a complete skeleton — first uncovered in ...

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the ...

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 ...

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 ...

Scientists say there’s new evidence that settles the origins of a mysterious dinosaur excavated in the 1940s. Researchers ...

NC State University and the NC Museum of Natural Sciences discover the nanotyrannus, a smaller dinosaur once thought to be a ...

A fossil once locked in prehistoric combat has just rewritten one of paleontology’s longest-running debates — and upended what scientists thought they knew about Tyrannosaurus rex.

Everyone knows the famous tyrant lizard king, but its relatives amaze, too Riley Black - Science Correspondent The tyrant lizards ranged in size from around 5 feet long to more than 40 feet long.