Dinosaur stories are often written for children, with a cast of neon cartoon characters or animatronic models. But for adults ...

Paleontologists in Argentina have discovered a new predatory dinosaur -- the fossils of which contained a crocodile bone within the dinosaur's mouth.

Scientists in Argentina have discovered Joaquinraptor casali, a new dinosaur species from the mysterious megaraptoran group.

In a new study, researchers said they uncovered part of a skull as well as arm, leg and tail bones from the Lago Colhué Huapi rock formation in Patagonia. They noticed unique features in the bones ...

Take a look at some recent new species discoveries: ...

A fossil unearthed in Argentina of a newly identified species of meat-eating dinosaur is providing insight into a poorly understood group of Cretaceous Period predators, thanks not only to its ...

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.

A new “apex predator” dinosaur species has been discovered based on its fossil, unearthed in Argentina with a crocodile bone stuck in its jaws. The species has been named Joaquinraptor casali, and was ...

Watch this video to uncover how scientists use great white shark teeth to estimate their size, and how they apply similar ...

The fossil was identified as a “tridimensional partial rostrum” fragment, or the part of an upper jaw close to the tip, or end, of a prehistoric animal, according to a study published Sept. 23 in the ...

A new dinosaur species from Patagonia, Joaquinraptor casali, steps out of the shadows with a telltale clue clenched in its ...