Paleontologists have long wrestled with the challenge of identifying the genders of dinosaurs from the fossils they leave ...

A new analysis of a fossil unearthed in 2006 provides a fresh line of evidence that a separate tyrannosaur lineage called ...

A new study shows that 67-million-year-old fossils originally discovered around eighty years ago, are that of an adult ...

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

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

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the T rex.Author Abi Crane ...

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

Nanotyrannus and Tyrannosaurus both were members of a lineage of meat-eating dinosaurs called tyrannosaurs, but were not the ...

Palaeontologists have argued for decades over whether certain fossils are young Tyrannosaurus rex or another species entirely ...

What if everything we know about T. rex growth is wrong? A complete tyrannosaur skeleton has just ended one of paleontology's ...

Among the red sandstones and green shales above the arid plains of Kharga Oasis, the partial skulls and jawbones of four ...

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