This week in science: The world's second-largest diamond is being evaluated; the genetic secrets of a 117-year-old woman are ...

The seven-metre predator, found in Chubut Province, lived shortly before the mass extinction some 66 million years ago; Named ...

The finding in Argentina reveals a new megaraptor species that would have ruled at the same time as North America’s T. rex, ...

A new species of "apex predator" dinosaur has been uncovered after palaeontologists recovered a fossil which showed the bones of a crocodile lodged in its jaws. Researchers have said the discovery in ...

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

Palaeontologists in Argentina have identified a new species of megaraptor dinosaur named Joaquinraptor casali. This predator ...

Researchers said they uncovered part of a dinosaur skull, alongside its arm, leg and tail bones, in the Lago Calhue Huapi ...

Scientists in Argentina have unearthed a new dinosaur species, Joaquinraptor casali, believed to be a more powerful predator than the Tyrannosaurus.

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

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 ...

In a fossil bed dating back 68 million years, scientists discovered the remains of a new species of megaraptor — a lithe, ...

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 ...