A newly identified aetosuar, a heavily armored ancestor of today's crocodiles, is a brand new species.
New tech reveals how the dinosaur walked, how it held its clawed toe off the ground, and how it used its "killing kick" to attack prey.
Evolutionary biologists have answered an enduring question in biology: How did the brains of birds evolve to enable them to fly?
Climate change triggered by massive volcanic eruptions, and not a meteorite plummeting to Earth, may have led to dinosaurs' extinction.
A few groups of palm-like plants that were a favored food of grazing dinosaurs still exist today. Now researchers have discovered how.
An often-overlooked dino had a unique combo of traits linked with animals that spend at least part of their time underground, a study finds.
A newly discovered dinosaur, Iani smithi, named for the Roman god Janus, lived when Earth's warming climate forced huge changes in global dino populations.
A newly discovered kind of sauropod dinosaur had a neck six times longer than a giraffe's, researchers say.
New fossils provide a glimpse into dinosaur and bird diversity in Patagonia during the Late Cretaceous, researchers report.
The discovery of a dinosaur fossil included a rare find: evidence of the last meal it ever ate.
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