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.

T-Rex: The Ultimate Predator offers a thrilling journey into the life and evolution of one of Earth’s most iconic dinosaurs, now on display at the Bullock Texas State History Museum. This ...

Baby sauropods were the fast food of the Late Jurassic, feeding multiple predators and propping up the entire ecosystem.

New research shows that baby dinosaurs played a crucial role in feeding Jurassic predators and keeping ancient ecosystems ...

(CN) — A fossil long at the center of one of paleontology’s fiercest debates has finally given up its secret, and it’s rewriting what scientists know about Tyrannosaurus rex. Researchers studying the ...

Babies and very young sauropods—the long-necked, long-tailed plant-eaters that in adulthood were the largest animals to have ...

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 ...

There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land predator of all time. But the question of how quickly T-rex achieved its ...

Paleontologists have discovered a new species of dinosaur that was related to the infamous Tyrannosaurus rex. The dino fossils, two partial skeletons found in Gobi Desert in Mongolia in the 1970s, ...

When you think of the largest carnivorous dinosaurs, you might picture a massive predator biting through bone in one devastating snap. That image fits Tyrannosaurus rex, but new research shows it ...

The skeleton of a Nanotyrannus lancensis is displayed as part of the "Montana Dueling Dinosaurs & Distinguished Fossils" collection at Bonhams auction house in New York, November 14, 2013. The ...