Hammerhead flatworms are invasive and toxic. These worms, native to Asia, contain neurotoxins similar to those in pufferfish.

The hammerhead worm, or shovelhead worm, has been found in Ontario this spring, including Hamilton and London areas. How to ...

I'm a master gardener and permaculture specialist, so I pay more attention to what's in my soil than most people. You probably don't give much thought to what's really in your topsoil, aside from ...

The Asian jumping worm poses risks to soil and plants, according to the Colorado Department of Agriculture.