A new analysis of tyrannosaur fossils suggests Tyrannosaurus rex may have continued growing until around age 40. The finding ...

New research reveals that Tyrannosaurus rex took 40 years to reach its massive adult size, challenging previous beliefs about ...

BERN, Switzerland (AP) — Nearly 300 Tyrannosaurus rex bones that were dug up from three sites in the United States and assembled into a single skeleton sold Tuesday at an auction in Switzerland for ...

T. rex took 40 years to reach full size, scientists find Hidden growth rings in fossil bones reveal that T. rex likely grew for 40 years, and some famous “T. rex” fossils may belong to entirely ...

For decades, T-Rex’s tiny arms looked like a mistake. New research suggests the opposite: as its skull became a bone-crushing ...

Gus is about 12.5-feet-tall, 38-feet-long, and could fetch the highest price for any dinosaur ever sold at auction.

T rexes grew much more slowly than previously thought, taking several decades to reach their full size of around eight tonnes, a comprehensive new fossil study revealed. Until now, researchers counted ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (AP) — Scientists have long puzzled ...