A nearly complete dinosaur skeleton discovered in Patagonia is helping scientists crack the mystery of alvarezsaurs, a bizarre group of bird-like dinosaurs. The fossil of Alnashetri cerropoliciensis ...

Scientists have discovered a water-bottle sized dinosaur fossil in Patagonia, Argentina. The tiny predator lived 95 million years ago and ranks among the smallest dinosaurs ever identified.

Scientists in Patagonia unearthed the nearly complete skeleton of Alnashetri cerropoliciensis, one of the world's tiniest ...

In Argentina’s Patagonia region 95 million years ago, some huge dinosaurs roamed the landscape including fearsome meat-eater Giganotosaurus, at about eight tons, and immense long-necked plant-eater ...

For years, we suspected that Alvarezsaurids underwent a rare process of evolutionary miniaturization directly coupled to a ...

Add Yahoo as a preferred source to see more of our stories on Google. WASHINGTON, Feb 25 (Reuters) - In Argentina's Patagonia region 95 million years ago, some huge dinosaurs roamed the landscape ...

WASHINGTON — In Argentina's Patagonia region 95 million years ago, some huge dinosaurs roamed the landscape, including fearsome meat-eater Giganotosaurus, at about eight tons, and immense long-necked ...

When you imagine a dinosaur, chances are your brain goes to those giants of the era: T. rex, Brontosaurus, Triceratops, or the mighty Patagotitan, that kind of thing. Perhaps less immediately called ...

In Argentina, researchers have discovered a well-preserved fossil of one of the world's smallest-known dinosaurs, Alnashetri cerropoliciensis. Scientists also reveal insights into Neanderthal-Homo ...

A nearly complete 90-million-year-old dinosaur fossil from Patagonia, Alnashetri, reveals how alvarezsaurs evolved and shrank over time.