A fossil tyrannosaur pulled from the badlands of southern New Mexico has forced paleontologists to rethink when giant ...

A 74-million-year-old bone discovered in New Mexico may belong to an ancestor of T. rex, offering clues about the giant predator.

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.

Imagine stumbling across a fossilized shinbone so massive it nearly rivals that of “Sue,” the most famous Tyrannosaurus rex ever unearthed. That is exactly what paleontologists are grappling with ...

(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 ...

Add Yahoo as a preferred source to see more of our stories on Google. For decades, paleontologists have debated whether Tyrannosaurus rex was the sole apex predator of the end-Cretaceous. According to ...

Tyrannosaurus rex may have taken far longer to grow up than scientists once thought. By analyzing growth rings in fossilized leg bones from 17 tyrannosaur specimens and using new statistical methods, ...

For decades, pop culture has painted Tyrannosaurus rex as a heavy-footed titan whose every step would make the ground tremble ...

Fossils reveal that long-necked baby dinosaurs were the main food source for large, voracious Jurassic predators.