Found in the Lago Colhué Huapi Formation in Patagonia, Argentina, J. casali may have been the apex predator of its Cretaceous ...

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 ...

A new “ apex predator ” dinosaur species has been discovered based on its fossil, unearthed in Argentina with a crocodile ...

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

In the ancient floodplains of what is now central Patagonia, scientists have uncovered the fossilized remains of a large ...

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

Table for one-and-a-half. Scientists have discovered a new “apex predator” dinosaur that appears to have been fossilized right in the middle of eating a crocodile-like creature. The newly found ...

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

The new find was possibly 23 feet long and hailed from a mysterious group of dinosaurs called megaraptorans. NEW YORK — ...

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 fossil jawbone discovered in 1899 in South Wales has been reclassified as a new dinosaur species, Newtonsaurus.

A Spanish fossil reveals Europe may be the birthplace of the Spinosaurus named Camarillasaurus cirugedae that ruled Africa.