Yet Giganotosaurus carolinii is always getting compared to the world's most popular dinosaur, the beloved and well-known Tyrannosaurus rex, both vying for the position of the largest carnivorous ...

Tyrannosaurus rex was the most formidable predator ... rex’s calls often sound like a roar. “Large carnivores today, most of them are mammals, and roars are the sounds they produce,” says ...

Scientists have uncovered an apex predator that once ruled the prehistoric world, eclipsing early relatives of the ...