"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 ...

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 painful burning sensation in a woman's legs turned out to be the result of a parasite burrowing into her brain, her doctors have revealed. The 30-year-old, from New England, likely contracted the ...

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 ...