Volcanic soil is toxic in just about every way. But these worms have remarkably homogenous DNA.

Our back lawn looks like a football team ran across it in cleats, bringing up bits of rich, dark soil that slowly fade into the grass as it rains or they get stepped on. I couldn’t be happier. Our ...

They have no eyes or ears, but they’re an important feature for healthy gardens the world over. This week, we’re digging up the dirt about earthworms. * “Lumbricus terrestris,” or the common earthworm ...

Earthworms, as we know, are garden champions, cleaning the soil by eating their weight in organic matter every day and aerating it as they wriggle around, creating tunnels to ease root growth. They ...

Most earthworms in Pennsylvania are not native and were introduced from Europe, often via soil used as ballast in early ships. While beneficial for gardens and lawns, these introduced earthworms can ...

Earthworms may be helpful in a compost heap or in the soil of a vegetable garden. But they are a destructive force in Minnesota’s hardwood forests – chomping up entire layers of the forest floor and ...