Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

When mammals have offspring, both in the wild and in captivity, new life is celebrated. This is especially true for species that are struggling population-wise, as each live offspring means a greater ...

Mammal evolution has been flipped on its head, according to new research that suggests marsupials are the more evolved mammals. By estimating how the common ancestor of mammals reproduced and ...

A female northern elephant seal with her pup on the beach at Año Nuevo Reserve. (Photo by Dan Costa) Changing environmental conditions may threaten marine mammal populations by making it harder to ...

Changing environmental conditions may threaten marine mammal populations by making it harder to find prey, and a new study shows how small, gradual reductions in prey could have profound implications ...