Humans could be contributing to the spread of a cat-loving, mind-altering parasite called Toxoplasma gondii, new research this week suggests. The study found that domesticated and wild cats were more ...

Decades ago, the U.S. eradicated this disturbing fly after it devastated livestock, but it's recently returned, bringing its ...

Learn about the dangerous parasite health officials warn is returning after decades, threatening humans and livestock in ...

Toxoplasma gondii is a common parasite in humans, but exactly how it’s so good at spreading has been murky. Now scientists at Stockholm University have uncovered a sneaky Trojan horse technique that ...

Cats can carry a parasite in their feces that causes a disease called toxoplasmosis in humans — here's how to stay safe.

Imagine a parasite has infected you and that parasite needs you to have sex to move to a new host. It would certainly be in that parasite’s interest to help you become more physically attractive to a ...

Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm counts and quality since the 1940s. A more recent study found that male ...

More than 20 species make a nearly identical noise to warn nearby birds of brood parasites, a behavior that bridges the ...

Researchers have discovered a unique bird call that serves as a 'universal word' against brood parasites like cuckoos. This ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Bill Sullivan, Indiana University (THE CONVERSATION) Male fertility rates have been ...