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 ...

In the ancient floodplains of what is now central Patagonia, scientists have uncovered the fossilized remains of a large carnivorous dinosaur unlike anything seen before. This new species, named ...

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

Scientists have discovered a new dinosaur from Argentina that may have used its long arms and claws to capture prey.

A fossil from the blustery plains of Patagonia is revising your book on one of the most elusive bands of hunting dinosaurs.

Researchers digging in Argentina have uncovered a new type of ancient dinosaur that once roamed the Earth millions of years ...

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 ...

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

A team of paleontologists has discovered a complete set of fossil remains of one of the megaraptors that lived shortly before ...

A fossil from about 66 million years ago reveals a species of dinosaur that is new to science, with claws that would have ...

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

In Argentina, scientists have identified Joaquinraptor casali, a new megaraptoran dinosaur species, with a crocodile relative ...