The earliest known armored dinosaur did not just carry a few defensive plates, it bristled with spikes so extreme that its ...

High in the Argentinian Andes, a team of palaeontologists has found a small dinosaur fossil with the first hints of the extended neck that distinguishes sauropod dinosaurs like Diplodocus. Named ...

Huayracursor jaguensis lived during the Late Triassic period. Paleontologists may have discovered when plant-eating dinosaurs evolved their long necks after a new species of sauropodomorph was found ...

A single fossilized footprint, roughly 1 meter long, has pushed paleontologists to redraw the upper limits of dinosaur size ...