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

When Charles Darwin first proposed how evolution works in 1859, it seemed plausible. Tiny changes stack up over time, eventually leading a species to become something entirely different. Aside from ...

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 ...

A species with a voracious appetite is rapidly spreading in more than 40 states in the country. Pennsylvania is one of them.

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 ...