Paleontologists are divided on the origin of one of our favorite dinosaurs, Tyrannosaurus rex. Some say its ancestry is ...

The provenance of T. rex has, at times, provoked contentious debates within paleontology. For instance, a study in 2024 claimed that T. rex relative Tyrannosaurus mcraeensis, which was found in New ...

T. rex ancestors crossed from Asia to North America via land bridge 70 million years ago, study finds By Jack Guy , CNN 3 minute read ...

T. rex’s direct ancestor crossed from Asia to North America. University College London. Journal Royal Society Open Science DOI 10.1098/rsos.242238 ...

Oldest-Known Birds of Prey Lived Alongside T. Rex in North America By Will Dunham WASHINGTON (Reuters) - In western North America during the twilight of the dinosaur age, the unquestioned ruler ...

Three North Dakota schoolboys made a larger-than-life discovery when they stumbled across a T rex skeleton during a hike.. Two young brothers and their cousin were wandering through a fossil-rich ...

The authors of that study say those findings support North American ancestry for T. rex. The authors of the new paper, however, disagree, saying that the T. mcraeensis fossil was dated incorrectly.

T. rex ancestors crossed from Asia to North America via land bridge 70 million years ago, study finds By Jack Guy , CNN 3 minute read ...

A team led by Cassius Morrison, a doctoral student of paleontology at University College London, or UCL, used mathematical modeling to conclude that T. rex precursors likely arrived in North ...