Dinosaurs haven’t roamed the Earth for millions of years, but the nature of their reign has sparked no shortage of controversial debates among paleontologists that remain unresolved today. Late last ...

Billions of Tyrannosaurus rex roamed North America during their fascinating reign as top predators, according to a team of researchers that went about the daunting task of making the calculation.

For decades, a small tyrannosaur skull has divided paleontologists over whether it belonged to a separate species or a ...

What color were the dinosaurs? Watching the Jurassic Park movies, the answer seems clear: gray, brown or, at best, dull green. In a new book, British paleontologist David Hone dryly asks: "Has there ...

Despite films like "Jurassic Park" depicting Tyrannosaurus rex as nothing more than a stupid killing machine, Dr. Suzana Herculano-Houzel believes the mighty dinosaur "deserves better." By analyzing ...

UNDATED (WKRC) - The king of dinosaurs is earning its name 66 million years after extinction. A new study published in the Ecology and Evolution journal has uncovered the possibility that the ...

It is the most famous dinosaur of all time, as long as a school bus, weighing more than 5 tons, with a mouth full of razor-sharp teeth. Scientists know a lot about the Tyrannosaurus rex — the star of ...

WASHINGTON (Reuters) -Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches. Giganotosaurus ...

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Billions of Tyrannosaurus rex roamed North America during their fascinating reign as top predators, according to a team of researchers that went about the daunting task of making the calculation.