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 ...

What may be the earliest known relative of T. rex and all meat-eating dinosaurs has been discovered. The dog-sized mini-predator would've made its future relatives proud as it fed on small dinosaurs ...

What may be the earliest known relative of T. rex and all meat-eating dinosaurs has been discovered. The dog-sized mini-predator would've made its future relatives proud as it fed on small dinosaurs ...

Even with its neck lowered, the Diplodocus towers over the Eoraptor at the new David H. Koch Hall of Fossils. Correction: The original article included incorrect information about when T. rex lived ...

Tracking the origin of the dinosaurs has been one of the most difficult tasks paleontologists have faced, but since the 1990s, multiple discoveries in South America have provided scientists with a ...

The dinosaur family tree just added a new relative: a small, nipping, meat-eating creature dating back to dinosaurs’ earliest days. Unearthed in 230-million-year-old rocks in Argentina, in life this ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

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