A massive predator once roamed the Earth, towering over its rivals and casting a long shadow on the ancestors of T. rex. This giant, now known as Ulughbegasaurus, ruled the prehistoric world around 90 ...

Khankhuuluu served as a precursor to the famed bone-crushing kings of the Cretaceous. Paleontologists have uncovered a previously unknown dinosaur species named Khankhuuluu, identified as the ...

Scientists have identified a previously unknown 86 million-year-old dinosaur species that fills an early gap in the fossil record of tyrannosaurs, revealing how they evolved to become massive apex ...

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.

That was my thought when I read recent pieces about a very special fossil from the Hell Creek Formation of South Dakota. Here’s some background: if you saw the movie “Jurassic Park,” you may think ...

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 ...