Meet Mapusaurus roseae, the largest carnivore on Earth recorded to date. Paleontologists working in the Patagonian wilderness in Argentina who found the remains of the 41-foot long and 15,000-pound ...

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.

The fossilized remains of what may be the largest meat-eating dinosaur has been discovered in Argentina -- a bus-sized monster that attacked its prey in roving packs, scientists announced Monday. The ...

April 17, 2006 — -- Move over, Tyrannosaurus Rex. There's a new dinosaur in town, and he's bigger and badder than you ever were. A ferocious meat-eater named Mapusaurus roseae and weighing almost ...