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

Nanotyrannus lethaeus was a fast, agile predator distinct from T. rex, with longer legs, stronger arms and a body built for ...

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

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

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

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

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

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 ...

There are many species of dinosaurs in Jurassic World Evolution 3, from herbivores to carnivores, hybrids, and more. Unlock ...

A fossil once locked in prehistoric combat has just rewritten one of paleontology’s longest-running debates — and upended what scientists thought they knew about Tyrannosaurus rex.

PHOENIX — Dozens of spectators, some as young as 9, crowded into City Hall to meet Victoria, one of the most complete Tyrannosaurus rex fossils uncovered to date. To oohs and aahs, Mayor Kate Gallego ...