Weighing more than four tons and stretching about 36 feet long, the newly discovered carnivore shared several physical traits with Tyrannosaurus ... of Minnesota and National Geographic Explorer ...

Whether carnivorous dinosaurs had lips has long been the stuff of paleo-debate. A new study finds evidence that flesh covered the predators’ teeth. Tyrannosaurus rex and other carnivorous ...

It all started with a claw. While scouring Argentina’s La Colonia Formation for new dinosaur fossils, paleontologists noticed the single toe bone sticking out of the ancient rock. When they dug ...

What did Tyrannosaurus rex eat ... carnivore around at the time capable of creating such damage. Not that the dinosaur solely munched on the remains of its own kind. Thanks to a fossil trail ...

The bone-shattering bite of a Tyrannosaurus rex could have crushed ... But while multiple lines of evidence support this estimate of the dinosaur’s mighty bite force, debate has swirled about ...

Paleontologists have long debated the origins of one of the most iconic dinosaurs, the Tyrannosaurus rex. While many fossils ...

More than 66 million years ago, a “tyrant lizard king” ruled western North America: the fearsome predatory dinosaur Tyrannosaurus rex. But how large was this monarch’s royal family?