Brown rats hitchhiked to North America in the mid-1700s, triggering a brutal war of the rats that saw a sharp transition from black to brown rat dominance on the continent, a new study finds.

There may be no truer a case of this than the desert rat-kangaroo (Caloprymnus campestris ... The Sturt Stony Desert in the far north-east of South Australia is one of the world's most ...

It’s only their size and nocturnal lifestyle that led European naturalists to put the rat in their name. They’re no relation to the North American kangaroo rat. “Rat-kangaroos, like bettongs ...

An intriguing native Australian rat-kangaroo, thought to be probably extinct ... their home range in the Lake Eyre Basin in remote far north-east South Australia into adjacent Queensland.

Conservation groups have reached an agreement with the developer of the Lytle Creek Ranch development project in Southern California to permanently protect 177 acres of occupied habitat for the state ...