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 ...

Debate kicked off in 1988 when a single small tyrannosaur skull discovered four decades earlier was given its own species ...

A Montana fossil reveals that Nanotyrannus, once thought to be a young T. rex, was actually a full-grown predator and it's ...

The North Carolina Museum of Natural History will be putting a pair of "Dueling Dinosaurs" on display in 2022. The two creatures — a Tyrannosaurus rex and Triceratops — appear to have killed each ...

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

For years, paleontologists have debated whether the T. rex-like dinosaur in the fossilized tableau and others are indeed ...

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

A small dinosaur skull found in Montana 40 years ago was thought to be a young T. rex. Turns out it was a smaller, faster ...

Tyrannosaurus rex might have made other dinosaurs tremble in fear, but some South Dakota legislators weren’t impressed by a plan to make the big meat-eater the state dinosaur. Noting that the ...

THORNTON, Colo. (CBS4) - The digging continues at the site of the big triceratops discovery in Thornton, and this week evidence of another dinosaur was found. Dr. Joe Sertich, paleontologist for the ...