WASHINGTON — A team of scientists working in Argentin has found the closest thing yet to the granddaddy of all dinosaurs, an artful dodger that was about the size of a small dog and sprinted after ...

A converted railway station houses the San Juan Museum of Natural Sciences in Argentina. I visited the museum first as an undergraduate student, planning to collaborate on a wildlife project. I ...

A small, toothy dinosaur known as Eoraptor, long considered to be the earliest member of the predatory branch of the dinosaur tree, is revealed to have traits that instead place it at the base of ...

The oldest dinosaurs yet discovered date back nearly 230m years to the Late Triassic epoch. Fossils of Herrerasaurus and Eoraptor were discovered in Argentina; both were bipedal carnivores ...

Two nasty looking little critters that roamed a remote valley of Argentina 230 million years ago point to a key fork in the road of early dinosaur evolution, when some predatory dinosaurs turned away ...

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What the name means "early plunderer" or "dawn plunderer" Named by Sereno, Forster, Rogers and Monetta (1993) Where found Argentina Length up to 1m Height 1m Weight 10kg How it moved on two legs Teeth ...