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.

It’s easy to picture T.rex stomping through forests, roaring at the top of its lungs as it hunted down its prey. But what if ...

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...

However, there's a bit of a "wrinkle," according to Thomas Carr, T. rex expert and associate professor of biology at Carthage College in Wisconsin. That's because there's a gap in the fossil record ...

Tyrannosaurus rex could gnash and chomp its teeth together with such force that it could easily pulverize the bones of its prey, a new study finds. The king of dinosaurs could bite down with a force ...

WASHINGTON (Reuters) -Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches. Giganotosaurus ...

The North Carolina Museum of Natural History will be putting a pair of "Dueling Dinosaurs" on display in 2022. The two creatures — a Tyrannosaurus rex and Triceratops — appear to have killed each ...

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 ...

The dinosaur will always be the predator potentate. But let’s not forget all the other members of the royal family. A T. rex model at the American Museum of Natural ...