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 ...

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 tyrannosaur skull 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 ...

Paleontologists confirm that the Tyrannosaurus rex locked in combat with a Triceratops in the famous Dueling Dinosaurs specimen is not a T. rex after all. In November, 2020, we celebrated the news ...

Billions of Tyrannosaurus rex roamed North America during their fascinating reign as top predators, according to a team of researchers that went about the daunting task of making the calculation.

T. rex was previously suspected to have evolved in Asia and migrated to North America, but new research shows that the direct ancestors of this iconic dinosaur may have been the one to make the ...

Cara Tabachnick is a news editor at CBSNews.com. Cara began her career on the crime beat at Newsday. She has written for Marie Claire, The Washington Post and The Wall Street Journal. She reports on ...

A group of researchers has estimated how long it took Tyrannosaurus rex to reach its full size — and the time period is significantly longer than scientists previously believed. The dinosaur is ...