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 ...

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

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

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

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

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

The 23-foot "megaraptoran" was discovered in the Lago Caolhue Huapi rock formation in Patagonia, Argentina, and is believed to have been an "apex predator" ...

A fossil unearthed in Argentina of a newly identified species of meat-eating dinosaur is providing insight into a poorly ...

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 announced Tuesday the discovery of a new dinosaur in Patagonia, Argentina, with a crocodile bone in its jaw.

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