The following contains spoilers for Ash, now playing in theatersAsh's hive-mind alien is the core threat of the sci-fi/horror film and an impressive addition to the genre. Ash takes place on a distant ...

A parasite called Toxoplasma gondii lurks inside 1 in 3 people worldwide, hiding out in the brain and other organs. Now, scientists have hijacked this microorganism to shuttle drugs into the brain — ...

A microscopic parasite quietly infects the brains of millions worldwide. Known scientifically as Toxoplasma gondii, this tiny invader silently alters brain function without obvious symptoms. Beneath ...

Toxoplasma gondii is a protozoan parasite famous for its cunning ways. This microbial manipulator can only reproduce inside of cats, so, if it finds itself in another mammalian host, like a rat, it ...

It’s Roger Corman melodrama at its finest! Dr. Paul Kettering’s wife has been taken over by alien parasites, in the climax to The Brain Eaters. This calls for a husband-wife scenery-chewing contest!

A mind-bending parasite may one day deliver drugs to the brain. Such proteins and the genes that produce them are often too big for viruses — the most common courier for gene therapy — to carry (SN: ...