Giant Tree-Kangaroos Once Lived in Unexpected Places All Over Australia, According to Major New Analysis

Goodfellows tree-kangaroo.

Dendrolagus goodfelowi, or Goodfellow’s tree-kangaroo. (Image: Rixie via Dreamstime)

Baby Hippo: The Cute, Cuddly, Chaotic Creature

A baby hippo in the water.

The baby hippopotamus or hippo is one of the most charming animals in the African wilderness. (Image: Zuzana Randlova via Dreamstime)