Evidence of the earliest known reptile-like animal, an ancestor of many four-limbed creatures including birds, reptiles and mammals, has been found in Victoria, Australia. The discovery could push ...

Whale ancestors were terrestrial mammals that walked on four legs. This bone structure that helped them walk eventually ...

There are many animals that can live both on land and in water. These fascinating creatures, capable of inhabiting terrestrial and aquatic environments, represent a significant advancement in ...