Scientists found preserved blood vessel structures in a T. rex fossil, offering new insight into dinosaur healing and fossilization.

Nanotyrannus, once dismissed as just a teenage T. rex, appears to have been its own distinct species after all. Scientists ...

Now, scientists are asking a new question: could they have been smarter than we think? Researchers are studying modern birds ...

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 ...

NEW YORK (AP) — Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a ...

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 ...

UNDATED (WKRC) - The king of dinosaurs is earning its name 66 million years after extinction. A new study published in the Ecology and Evolution journal has uncovered the possibility that the ...

For three decades, the Tyrannosaurus rex has lived in the public imagination as a flat-footed thunder lizard, each step ...

But new research suggests that this classic image might be wrong. The teeth on T. rex and other big theropods were likely covered by scaly lips, concludes a study published Thursday in the journal ...

Dinosaurs haven’t roamed the Earth for millions of years, but the nature of their reign has sparked no shortage of controversial debates among paleontologists that remain unresolved today. Late last ...

University of Calgary scientists discovered an apex predator that "probably kept the tyrannosaurus down" 90 million years ago Researchers have discovered a new species of dinosaur that loomed over the ...