Nanotyrannus and Tyrannosaurus both were members of a lineage of meat-eating dinosaurs called tyrannosaurs, but were not the same genus, the researchers said. At the twilight of the age of dinosaurs, ...

The “dueling dinosaur” fossil still leaves more questions than answers as scientists now attempt to determine their causes of ...

For many years, paleontologists have debated about whether there was a smaller relative of the Tyrannosaurus rex, or if those smaller fossils were really just awkward teenage versions of the king of ...

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.

If you ever wanted a courtroom drama where the jury consists of paleontologists, the defendant is a fossil, and the expert ...

Now, a research team says new evidence resolves the case. The latest clue comes from a complete skeleton — first uncovered in Montana in 2006 — that scientists say identifies the mystery reptile as ...

Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of ...

Now a research team said there’s new evidence that resolves the case. The latest clue comes from a complete skeleton — first ...

Despite what you may have read on the internet, one of Tucson’s most beloved fast-food landmarks is not about to be torn down by an angry mob of dinosaur deniers. The snarling Tyrannosaurus rex in ...

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