Parasites are organisms that feed off their hosts for survival. Such parasitic creatures can cause mild to serious symptoms and, in some cases, fatal infections in their hosts. “Overall, parasites ...

New research finds a tiny freshwater parasite known to cause health problems in humans defends its colonies with a class of soldiers that cannot reproduce. The discovery vaults this species of ...

Why do parasites harm their hosts? That's a question evolutionary biologists ask as they try to predict how a parasite might ...

Why do parasites harm their hosts?That's a question evolutionary biologists ask as they try to predict how a parasite might evolve and perhaps become ...

More than 90% of popular freshwater game fish in Southern California contained an introduced parasite capable of infecting humans, according to a new study from researchers at UC San Diego’s Scripps ...

Researchers have developed a new antimalarial drug candidate designed to address the growing challenge of drug resistance and ...

LONDON (Reuters) - The discovery of a schistosomiasis parasite egg in a 6,200-year-old grave in Syria may be the earliest evidence that agricultural irrigation systems in the Middle East contributed ...

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