Toxoplasma gondii is probably the most successful parasite in the world today. The disease caused by this parasite can scar the back of the eye.
They’re small, sneaky, and likely to make you sick. From viruses, to bacteria, to pesky protozoa, here are the latest findings on the parasites that live among (and on, and in) the creatures of the Earth.
The microscopic nematodes known as vinegar eels move together in a strange synchronized swimming routine, new research videos show.
The pathogenic fungus Entomophthora muscae doesn't just kill the flies it infects; it also turns males into sex-crazed necrophiliacs.
Digital models of a fish skull revealed a parasitic stowaway inside its mouth: a "tongue biter" isopod that consumed and then replaced the fish's tongue.
Anglerfish are literally missing part of their immune system, but this allows them to permanently fuse during sex, new research suggests
Not only does the fungus Massospora infect cicadas, eat their bodies and turn them into mind-controlled zombies, it forces them to attract more cicada victims.
Fossil brachiopods from China were crusted with parasites, which may have hijacked their hosts' feeding structures in order to steal their dinner.
Researchers discovered a new species while looking at Twitter photos. They have named the parasite Troglomyces twitteri.
A genomic analysis of the creepy parasite H. salminicola reveals that the creature has no mitochondrial DNA and no way to breathe — two animal firsts.
Infections with an intestinal parasite have surged in Massachusetts in recent months, according to health officials.
People may be picking up rat lungworm disease by eating a fast-climbing creature that's part slug, part snail.
Not to spoil your summer pool fun, but outbreaks of "crypto," a swimming-related diarrheal illness, are on the rise.