Once declared by Aristotle to be “the intestines of the earth,” earthworms have been recognized for centuries as essential to the health of our planet's soil. But one of the most interesting ...

You may never have heard of the Terriswalkeris terraereginae, a giant blue earthworm living deep in the moist soils of tropical north Queensland, but it’s the prettiest worm you’ll ever see.

Under the steep rolling hills of eastern Victoria are "gurgling" creatures farmers can hear but rarely lay eyes on. "It's kind of a strange little thing, that we're passionate about something we ...