Image caption: The parasitic flatworm Haplorchis pumilio produces non-reproductive soldiers (left) which have much larger mouths than their reproductively capable colony-mates (center). The soldiers ...

This story originally appeared on Grist and is part of the Climate Desk collaboration. When Chelsea Wood was a child, she would often collect periwinkle snails on the shores of Long Island. “I used to ...

The squishy little parasites are less than an inch long, but they cause a globe-girdling disease variously known as schistosomiasis, bilharziasis, or simply snail fever. The more man does to increase ...

This story was originally published by Grist. Sign up for Grist’s weekly newsletter here. Proof of Concept is a video series profiling the science and scientists behind some of the environment’s most ...

In Southern California, a quiet but widespread public health risk has taken root in the region’s freshwater fishing spots. Researchers from Scripps Institution of Oceanography at UC San Diego recently ...

If a worm was trying to burrow into your skin, you'd be forgiven for thinking you'd feel it gnawing at your flesh—but scientists have identified how one wriggling parasite does so without you noticing ...

New research from scientists at UC San Diego's Scripps Institution of Oceanography finds a tiny freshwater parasite known to cause health problems in humans defends its colonies with a class of ...