Fossil hunters in Patagonia have unearthed the remains of more than a half-dozen gigantic dinosaurs that appear to have lived and hunted in a pack. Mapusaurus roseae was bigger than Tyrannosaurus rex ...

NEW YORK – Scientists are learning more about what appears to be one of the biggest meat-eating dinosaurs known, a two-legged beast whose bones were found several years ago in the fossil-rich ...

At a news conference in the western Patagonian city where the news species was found, paleontologists have unveiled what may be one of the largest carnivorous dinosaurs known -- Mapusaurus roseae.

Scientists are learning more about what appears to be one of the biggest meat-eating dinosaurs known, a two-legged beast whose bones were found several years ago in the fossil-rich Patagonia region of ...

Remains of an enormous species of carnivorous dinosaur, longer than all other previously identified meat-eating dinos, have been found in Argentina, scientists say. Researchers announced that the ...

Giant predatory dinosaurs may have hunted in packs to bring down the biggest plant-eating prey. The evidence comes from the first detailed analysis of the remains of giant predatory dinosaurs ...