The Tyrannosaurus rex, long thought to be a fast-growing apex predator, may have had a much slower path to adulthood than ...

That’s exactly what awaits at Makoshika State Park in Glendive, Montana – a geological masterpiece that somehow remains one of the state’s best-kept secrets. Montana’s largest state park is hosting an ...

FLINT, Mich. (WJRT) - The Sloan Museum of Discovery in Flint is unveiling a new exhibit featuring newly discovered dinosaurs from the Alaskan Arctic Circle. On Monday, members received an exclusive ...

More than 66 million years ago, Mexico was home to numerous species of dinosaurs, some of them as terrifying as T. rex.

By counting visible and hidden rings, researchers found that T. rex did not reach full size until 35 to 40 years of age.

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 ...

A new study reveals that the Tyrannosaurus rex took up to 40 years to fully grow.

There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land ...