A new study reveals Tyrannosaurus rex took 40 years to reach full size, not 30, as previously thought. Researchers analyzed bone tissue from fossils to determine their results.

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

NEW YORK (AP) — Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a ...

The behemoth dinosaurs grew more slowly and had longer lifespans than previously thought, a new study suggests ...

WASHINGTON, April 30 (Reuters) - Surmising even the physical appearance of a dinosaur - or any extinct animal - based on its fossils is a tricky proposition, with so many uncertainties involved.

Paleontologists have long debated claims of a dinosaur powerful enough to challenge T-Rex. Fossil evidence suggests encounters between massive predators, but the remains are incomplete and open to ...

Despite films like "Jurassic Park" depicting Tyrannosaurus rex as nothing more than a stupid killing machine, Dr. Suzana Herculano-Houzel believes the mighty dinosaur "deserves better." By analyzing ...

It's a bit like Cinderella trying on her glass slipper... except the shoe is squishy mud, the foot weighs tons, and the owner ...

On March 30, families can experience Dinosaur Adventure Live at Welwyn Garden City's Campus West Theatre. Dinosaur Adventure Live's production, "Danger on T-Rex Mountain", now in its fifth year, ...

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