It’s Halloween season, the liminal period when the general public seems to have a greater tolerance for stomach-churning content, so let’s talk about parasites, perhaps the most disgusting — and ...

Scientists have found examples across the animal kingdom that show how parasites manipulate their hosts' behavior. In a bid to reach maturity and breed, they often lead their hosts to experience ...

Ancient Cambrian fossils have preserved the oldest known example of parasites in action. More than 500 million years ago in what is now southern China, tubelike parasites clung to the shells of tiny ...

Researchers have analyzed drinking water and detected oocysts of Cryptosporidium and cysts of Giardia, two protozoa that cause outbreaks of diarrhea in humans. The levels detected are very low and do ...

It’s fair to say parasites are generally bad for their hosts. Many cause disease and death so, like most species, we humans usually try to avoid infection at all costs. But it turns out that some ...