The Triassic-Jurassic Extinction Event: How Dinosaurs Took Over Roughly 201 million years ago, the Triassic-Jurassic extinction event wiped out about 76% of all marine and land species on Earth. This ...

Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...

From the formation of inner ear bones to the rise of hair to cover our bodies, these developments made us distinct from other animals Riley Black - Science Correspondent By examining the fossils of ...

3D models of the jaw and associated middle ear bones of the Triassic mammal ancestor Thrinaxodon show that the switch to mammal-like hearing with an eardrum evolved much earlier than previously ...

Mammals these days have hair, birds have feathers and reptiles have neither. But the relative nakedness of today's reptiles may not have been the case 247 million years ago, when at least one reptile ...

Roughly 201 million years ago, the Triassic-Jurassic extinction event wiped out about 76% of all marine and land species on Earth. This cleared the stage for dinosaurs to take over for the next 135 ...