Many of Pennsylvania’s earthworms have roots back to other countries and one jumping species is causing a growing concern for forests. “During the last Ice Age, the glaciers came down and covered all ...

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 ...

(via Deep Look) Earthworm babies grow inside cocoons that look like tiny spaceships. To make these golden, lemon-shaped incubators, earthworms cozy up with a mate inside tubes of slime, then follow a ...

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 ...

Scientists have known for decades that many animals use the Earth's magnetic field for navigation. It's less clear how they do it. A new study suggests earthworms may be a good way to figure it out.

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 ...