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

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

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

In 2006, paleontologists discovered an exceptionally rare and well-preserved fossil specimen preserved with two ...

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

The fossil - part of the “Dueling Dinosaurs” specimen – was unearthed in Montana. The post New fossil reveals T. rex had a ...

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

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.

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

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 ...