From ‘Alien’ to ‘The Last of Us,’ parasites have a gruesome reputation. But parasitologists are finding ways to change the conversation. A nematomorpha parasite wriggling from a dead bush-cricket.

Many people are utterly repulsed by parasites, and few would ever intentionally share their body with one. The word “parasite” alone—which comes from the Greek for “feeding beside”—is enough to make ...

Unsafe seafood. Insufficiently refrigerated meats. Rusty shelving. Cooks without hairnets. Reports show Florida health inspectors cited President Trump’s Mar-a-Lago resort with 15 violations in late ...