Male fertility is on a decline worldwide—and cat poop might have something to do with it. New research suggests that Toxoplasma gondii, a common parasite spread primarily through infected cat feces, ...

DNA within dried feces dating from more than 1,000 years ago provides valuable insights into the pathogens that plagued ancient Mexican peoples, according to a study published October 22, 2025 in the ...

Archaeologists analyzing a Roman sewer at Vindolanda uncover evidence soldiers lived with chronic gut parasites despite ...

A parasite that is most widely known for its existence in cat feces could be a delivery system for proteins that target neurological disorders, a new study has found. Researchers successfully targeted ...