For decades, paleontologists debated whether fossils were of a young T. rex or a species called nanotyrannus. A new study ...

Now, a research team says new evidence resolves the case. The latest clue comes from a complete skeleton — first uncovered in ...

A recent study suggests the unique geology of an area in Wyoming makes it a trove of unusually preserved fossils ...

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

It’s been more than 60 million years since duck-billed dinosaurs roamed around what is now known as western North America. Or ...

Dinosaur "mummies" couldn't have been further from my mind as I trudged up a grassy knoll on the Zerbst Ranch in east-central ...

"The fossil, part of the legendary 'Dueling Dinosaurs' specimen unearthed in Montana, contains two dinosaurs locked in ...

NEW YORK (AP) — Researchers have unearthed a spooky pair of dinosaur mummies that seem to have been preserved in an ...

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

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

Governor Josh Stein, the North Carolina Museum of Natural Sciences and NC State University announced Thursday that the ...

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