By using 3D skull scans of 18 species, scientists discovered that while T. rex evolved a crocodile-like skull built for ...

Researchers claim to have new evidence that fossils found in the 1940s are not of a juvenile T-Rex, but of another distinct species: the Nanotyrannus. Not all paleontologists are convinced.

The T. rex would grow even larger, reaching up to 40 feet in length and weighing as much as 15,000 pounds. However, it was the earlier Ulughbegasaurus that set the stage for the T. rex's dominance ...

Researchers, including from the University of Bristol, found that while dinosaurs like the mighty Tyrannosaurus rex were ...

Paleontologists have discovered a new species of dinosaur that was related to the infamous Tyrannosaurus rex. The dino fossils, two partial skeletons found in Gobi Desert in Mongolia in the 1970s ...

If T. rex is too mainstream, discerning 10-year-olds may now have a new answer when asked their favorite dinosaur – Tyrannosaurus mcraeensis. The newly identified species appears to be more ...

The new species is the "missing link" between the smaller Tyrannosaurs and massive apex predators like T. rex, which weighed up to 10,000 pounds, Zelenitsky said.

The new species is the "missing link" between the smaller Tyrannosaurs and massive apex predators like T. rex, which weighed up to 10,000 pounds, Zelenitsky said.