A new study reveals Tyrannosaurus rex took 40 years to reach full size, not 30, as previously thought. Researchers analyzed ...

(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 ...

“With enormous size, a powerful bite force and stereoscopic vision, T. rex was a formidable predator, but it did not reign uncontested. Darting alongside was Nanotyrannus – a leaner, swifter and more ...

The curious minds at What If explain how T. rex became the apex predator of the Cretaceous, exploring evolution, hunting ...

T. rex's story has been turned on its head by a new discovery about one of the world's most famous fossil finds.

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the T rex. Nanotyrannus, the "miniature T rex," has been the center of one of ...

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 ...