A study reveals how invasive worms are disrupting forests in the northern United States and changing key soils.

In a recent study measuring the body size and growth patterns of invasive earthworms in the Huron Mountains, researchers uncovered their role in disrupting forest ecosystems. Contrary to popular ...

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 ...

We’ve all lifted a rock or flowerpot and found a long, slimy worm underneath. But have you ever done so and found a long, slimy worm with a head shaped like a shovel or a hammer? If you have, you ...

Analysis reveals imported earthworm species have colonized large swaths of North America, and represent a largely overlooked threat to native ecosystems. The researchers warn of the need to better ...

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 ...

An invasive Asian earthworm is causing environmental damage, and officials are taking notice of its presence in Michigan. "Michigan State University Extension is beginning to receive sporadic reports ...