For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of Tyrannosaurus rex to estimate how old the giant carnivores were when they died and ...

The largest-ever study of how the “king of dinosaurs” grew shows a much longer, slower path to adulthood than scientists ...

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

If you ask anyone what the most-known dinosaur is, you're bound to get the answer "the Tyrannosaurus rex." This dinosaur has carried an entire movie franchise on its shoulders for decades now. And it ...

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 ...

A provocative study published earlier this year proposed that the world’s best-known and perhaps best-loved dinosaur, Tyrannosaurus rex, was actually three separate species. Not so fast, says new ...

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.

Dinosaur skeletons often dominate museum halls, from the towering Tyrannosaurus rex known as Sue in Chicago to Sophie the ...

Dinosaur Institute researcher shows throat bones accurately record maturity in dinosaurs, establishing Nanotyrannus was a fully grown, entirely distinct species from T. rex “The identity of the ...

Add Yahoo as a preferred source to see more of our stories on Google. ROCKFORD, Ill. (WTVO) — Jane, the dinosaur fossil housed at Rockford’s Burpee Museum of Natural History, may not be a ...

Tyrannosaurus rex was a late developer who kept growing until the age of 40, reveals new research. The largest-ever study of how the “king of dinosaurs” grew shows a much longer, slower path to ...