There’s a newly crowned T. rex. This one, called Tylosaurus rex, was a tyrant of the sea and mosasaur spanning up to 43 feet ...

Tylosaurus rex rewrites the story of giant sea predators, not just for its size but for what its bones reveal about mosasaur ...

A colossal new sea predator named Tylosaurus rex has been identified from fossils found in Texas, revealing a brutal 43-foot-long hunter that ruled ancient oceans 80 million years ago. The discovery ...

A fossil discovered in New Mexico could rewrite the history of dinosaurs by revealing a giant tyrannosaur that predates T.

Discover Tylosaurus rex, the formidable marine predator of the Cretaceous, rivaling T. rex in size and ferocity.

(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 ...

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.

T. rex and other giant dinosaurs evolved tiny arms because their skulls and bites became powerful enough to replace forelimbs ...