(CNN) — For some, happiness is getting enough sleep. But for a small marsupial in Australia, sex is a higher priority than getting some shut-eye — and it is willing to sacrifice hours of it daily to ...

Woylies are small marsupials native to Australia. These rabbit-sized rat kangaroos are critically endangered and have disappeared from much of their historical range in mainland Australia.

The sex life of a tiny Australian marsupial known as an antechinus is already pretty bizarre. But now its mating season has gotten even stranger – and darker – thanks to the introduction of ...

Hidden beneath the dunes, a mysterious creature glides through the sand. This is not one of the giant worms of Arrakis in Frank Herbert’s sci-fi epic, Dune. Rather, it’s an enigmatic and tiny mammal ...

While kangaroos and koalas are Australia's most famous wildlife, a lesser-known species has been gaining attention for all the right reasons. Quokkas are small marsupials, and a new population was ...