A parasite that is able to cross the blood-brain barrier to infect the brains of its hosts could one day be a means of delivering important therapeutics. The research has been tested in lab-grown ...

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

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 ...

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 ...

Parasites take an enormous toll on human and veterinary health. But researchers may have found a way for patients with brain disorders and a common brain parasite to become frenemies. A new study ...

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: ...