A landmark investigation into Tyrannosaurus rex fossils has fundamentally altered scientific understanding of how long these ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's rendering shows how newly identified dinosaur Khankhuuluu, much smaller than T. rex, might have looked. - Masato ...

Researchers now identify the "dueling dinosaur" tyrannosaur as an adult Nanotyrannus, not T. rex. "This fossil...flips decades of T. rex research on its head," says Lindsay Zanno. Study reveals ...

"We've named a new species," Lindsay Zanno, head of paleontology at the NC Museum of Natural Sciences, told a crowd on Thursday. Scientists at the NC Museum of Natural Sciences have found that what ...

For years, the "dueling dinosaurs" in a North Carolina museum were believed to be a Triceratops and Tyrannosaurus rex. However, an article published on October 30 in the journal Nature has a different ...

While Tarbosaurus, an ancestor of T. rex, clocked in at between 3,000 and 6,000 kilograms (6,613 pounds and 13,227 pounds), the fleet-footed Khankhuuluu mongoliensis likely weighed only around 750 ...

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(CNN) — Scientists have identified a previously unknown 86 million-year-old dinosaur species that fills an early gap in the fossil record of tyrannosaurs, revealing how they evolved to become massive ...