A new analysis of a fossil unearthed in 2006 provides a fresh line of evidence that a separate tyrannosaur lineage called Nanotyrannus lived alongside the famous T. rex ...

In what might be the coolest solution to "how to find fossils", a new study has revealed how we can take to the skies when ...

The second expedition took researchers to the Southern Ocean’s Bellingshausen Sea, off West Antarctica. The team was the ...

Many of them — including a duck-billed dinosaur mummy discovered in 1908 — hail from an area in eastern Wyoming. In the new study, scientists returned to this so-called mummy zone and found new ...

A paleontologist was trying to locate the site of a famous 1908 discovery when a rancher in Wyoming shared an important clue.

Jane, the dinosaur fossil housed at Rockford's Burpee Museum of Natural History, may not be a Tyrannosaurus rex as previously ...

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 ...

There are literally decades of research... based on a premise that this article overturns,” said one paleontologist.

Scientists have long debated whether a mysterious dinosaur excavated in the 1940s was a young T. rex or a distinct species.

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

Researchers at the North Carolina Museum of Natural Sciences and N.C. State University say they have settled a long-standing ...

Researchers say they have uncovered a case of mistaken identity and found evidence of a species called Nanotyrannus lancensis.