Add Yahoo as a preferred source to see more of our stories on Google. When Sydney hosted the 2000 Summer Olympics, an unlikely hero emerged: an unofficial mascot known as Fatso the Fat-Arsed Wombat.

The bare-nosed or common wombat is a marsupial closely related to koalas. Wombats have a stocky build with short, stubby legs and coarse tan, grey, or brown fur. They are the second-largest marsupial ...

Add Yahoo as a preferred source to see more of our stories on Google. A close-up of a greyish-brown wombat with long whiskers and dark eyes, seen near the opening of a sandy burrow in soft golden ...

The wombat’s intestine does something no other gut on Earth does. Understanding why reveals how deeply evolution can sculpt even the most intimate biology.