A new study reveals Tyrannosaurus rex took 40 years to reach full size, not 30, as previously thought. Researchers analyzed ...

Tyrannosaurus rex is arguably the world’s most famous dinosaur, yet paleontologists are still learning more about this giant ...

Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...

T.rex lived longer and took more time to reach its maximum size than previously thought, according to new research.

Scientists believe they now know the true lifespan of the Tyrannosaurus rex, rewriting what was known about the ancient ...

A study of fossil bones shows Tyrannosaurus rex kept growing until around age 40, challenging long-held ideas about dinosaur ...