Simple calculations suggest koalas should have high-pitched voices. That's because the pitch generated by an object is linked to its size, and usually animals' vocal cords tend to be large or small ...

Big voice Koalas use vocal folds located outside the larynx to make mating calls that are more suited to an animal the size of an elephant, new research has found. The loud snorting sounds are ...

Koalas are cute and cuddly, right? Well, yes, they are, but they also have personas that most don’t even know exist. A father and daughter duo in Australia nervously watched as several cars swerved to ...