The new species shows the dinosaurs got bigger a lot earlier than scientists originally thought. It also supports the theory that T. Rex originated in North America, not Asia. Scientists recently ...

Add Yahoo as a preferred source to see more of our stories on Google. A newly identified dinosaur species from Mongolia is rewriting the history of the T. rex family tree. Dubbed the "Dragon Prince" ...

A new study suggests Tyrannosaurus rex’s tiny arms were the evolutionary price of developing a gigantic head and a devastating bite. For decades, the small arms of Tyrannosaurus rex have been one of ...

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the continents more than 70 million years ago, according to a new study led by UCL ...

Discover the “Dragon Prince,” a newly identified tyrannosaur ancestor from Mongolia that fills a key gap in T. rex evolution. Learn how this 86-million-year-old dinosaur reshaped our understanding of ...