Australia’s giant Protemnodon kangaroos didn’t die out everywhere at the same time. Instead, extinction proceeded one habitat ...

Scientists have discovered that the long-extinct megalodon, also known as the megatooth shark, had a body temperature 7 degrees Celsius warmer than the surrounding seawater. This information might ...

The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and ...

Scientists used fossil data to predict the home range of the prehistoric Protemnodon and its implications for the species’ ...

Giant kangaroos stuck close to home and went extinct when climate change caused that home to disappear, according to a study ...

(NEXSTAR) — This week, a Texas-based biosciences company, which aims to “de-extinct” animal species ... and other aquatic predators. It’s a shark with a saw for a jaw (kind of).