A group of wasps with a gruesome lifestyle has just gained 15 new members. Like their kin, the newbies make a habit of laying their eggs in developing insects.
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.
Strange sores on a woman's swollen skin weren't caused by an insect bite, but by insects burrowing into her skin, according to a recent report of the woman's case.
If you thought that bedbug-proofing your mattress would protect you, you might have to rethink that.
A zombie outbreak in a new apocalyptic film has an unusual inspiration — a species of parasitic fungus that causes zombie-like behavior in ants.
Cats are known to carry a parasite linked to symptoms of psychosis in humans, but despite this, a new study finds no connection between cat ownership and symptoms of psychosis.
Doctors in India removed a lengthy pork tapeworm from a man's gut, according to a recent report of the man's case.
If there were a horror movie set in the animal kingdom, a turquoise-green insect named the "crypt-keeper wasp" would likely play a starring role.
Malaria afflicted the Roman Empire some 2,000 years ago, according to a new analysis of human teeth collected in Italian cemeteries.
A parasitic infection that's rare in the United States now appears to be showing up more often in American travelers.
A rare type of bed bug was found in Florida for the first time in 60 years, and it may be on the move.
Perhaps best-known for its connection to cat poop, the single-celled parasite Toxoplasma gondii may have some pretty bizarre effects on people.
Scientists have found some funky DNA lurking inside a virus that infects bacteria. In addition to its own genes, the virus holds genetic material from black widow spiders and other animals.
Newly found 2,000-year-old human poop reveals that an interesting array of parasites were carried by ancient travelers.
Parasitism has independently evolved at least 223 times, leading to millions of parasitic species on Earth.