Some dinosaurs ate lizards, turtles, eggs, or early mammals. Some hunted other dinosaurs or scavenged dead animals. Most, however, ate plants (but not grass, which hadn't evolved yet). Rocks that…
Direct fossil evidence for dinosaur skin color is unknown. Paleontologists think that some dinosaurs likely had protective coloration, such as pale undersides to reduce shadows, irregular color…
Some dinosaurs were social creatures. Recently discovered evidence indicates that they travelled together and that some may even have migrated (because dinosaur fossils have been found above the…
Paleontologists now have evidence that dinosaurs lived on all of the continents. At the beginning of the age of dinosaurs (during the Triassic Period, about 230 million years ago) the continents…
The largest complete dinosaur we know of was Brachiosaurus (“arm lizard”); it reached 23 m in length and 12 m in height (about the length of two large school buses and the height of a four-story…
Did Birds Evolve from Dinosaurs? Feathered fossil fascinates scientists by David Johnson The fossil of this feathered, lizard-like creature is one of several disputes in the…
Did Birds Evolve from Dinosaurs? Feathered fossil fascinates scientists by David Johnson The fossil of this feathered, lizard-like creature is one of several disputes in the…
Dinosaurs generally are named after a characteristic body feature, after the place where they were found, or after a person involved in the discovery. Usually the name consists of two Greek or…
Dinosaurs went extinct about 65 million years ago (at the end of the Cretaceous Period), after living on Earth for about 165 million years. If all of Earth time from the very beginning of the…
Approximately 700 species have been named. However, a recent scientific review suggests that only about half of these are based on fairly complete specimens that can be shown to be unique and…
