What do you get when you take an alien parasite and smush it together with a human being? Would you get to become a ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

Alien set a standard for the sci-fi horror genre, but in the years since, new TV mediums have put their own spin on the grotesque idea.

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: ...

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 ...

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 ...

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!