Large meat-eating dinosaurs took on the role of multiple species while growing up, resulting in a shocking lack of ecological diversity during the Mesozoic, according to new research.

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.

Dinosaur "mummies" couldn't have been further from my mind as I trudged up a grassy knoll on the Zerbst Ranch in east-central ...

The T-Rex may not have been a loud, stomping predator – rather it may have been a light-footed menace, according to Walking With Dinosaurs - BBC The earth-shaking thud of an approaching tyrannosaurus ...

When it roamed the Earth 80 million years ago, a 40-foot-long Tyrannosaurus rex was one of nature's most terrifying prospects. Soon, it could be a purse. A group of researchers and bio-engineers in ...

The Jurassic Quest roars into the Farm Show Complex this weekend featuring a herd of animatronic dinos – from the largest predators to playful baby dinos. Many of the models move and roar providing an ...

An icon from the age of dinosaurs, Tyrannosaurus rex has featured in everything from blockbuster movies to the shape of chicken nuggets. As a creature to be feared for its bone-crushing bite or ...