You might expect danger to come with claws or size, but the real threat often comes in small, quiet forms. These animals kill ...

Federal health officials reported on Monday that cases of a flesh-eating parasitic infection continue to be detected near the ...

The flesh-eating parasite, the New World screwworm, was detected this month in the Mexican state of Nuevo León, just 90 miles ...

Rat lungworm has been detected in San Diego animals, but local officials say the risk of its spread to Santa Barbara is low.

Add Yahoo as a preferred source to see more of our stories on Google. The difficult-to-detect meningeal worm is spread by white-tailed deer and is a notorious killer of moose. AP Photo/Jim Cole, File ...

Scientists found a parasitic animal in the forests of China, Indonesia and Vietnam and discovered a new species, a study said. Photo from zhang kaiyv via Unsplash In a forest in southern China, a ...

Researchers at Queen's University Belfast have discovered animal populations may often be under a much larger threat from parasites than previously recognised. It is widely believed that the absence ...

A recent study by researchers at the UW reveals a deadly parasite in local coyotes that transfers to dogs and humans.

Parasitic hairworms manipulate the behavior of their hosts in what's sometimes called 'mind control.' A new study reveals another strange trait shared by different hairworm species: they're missing ...

Fleas, ticks, intestinal worms, and heartworm are more than just a nuisance — they can lead to serious health problems for ...