Dinosaurs

Finding suggests "megapredators" may have been more common in Mesozoic Era than previously thought.
Charles Q. Choi, Contributor
Prehistoric remains also reveal signs of a particularly large predator.
Joshua Learn, Contributor
Long legs didn't make the massive predators faster but helped save energy during the daily grind, new research suggests.
Charles Q. Choi, Contributor
Fossil shows that miniature dinosaurs likely shared the earth with giants during the Mesozoic Era.
Charles Q. Choi, Contributor
The parasites were found on preserved dinosaur feathers from almost 100 million years ago.
Charles Q. Choi, Contributor
Corral Bluffs location contains fossils from a critical time in the evolution of mammals.
Charles Q. Choi, Contributor
Ancient flying reptile dubbed Cryodrakon boreas, the "cold dragon of the north winds," may shed light on the evolution of these dinosaur relatives.
Charles Q. Choi, Contributor
New study reveals how baby hoatzin birds are able to move like four-legged animals, thanks to unique claws on their wings.
Nala Rogers, Staff Writer
Two well-preserved fossils found in China were covered in both furlike pycnofibers and featherlike features.
Charles Q. Choi, Contributor
The smallest Diplodocus skull ever discovered reveals clues about the group's evolution.
Claire Cleveland, Contributor
Deep water reptiles diversified as Mesozoic sea levels rose. Their shallow water counterparts declined.
Charles Q. Choi, Contributor
The newly dubbed "Amazing Dragon of Lingwu" may have weighed more than 10 metric tons and boasted a dangerous "whiplash tail."
Charles Q. Choi, Contributor