The "soft" tick C. kelleyi parasitizes bats. Its appearance in New Jersey may signal risks to people, pets, and livestock.

To boost their odds of survival in unpredictable habitats, birds known as "brood parasites" hedge their bets by spreading eggs across other birds' nests.

"Parasites are an incredibly diverse group of species, but as a society, we do not recognize this biological diversity as valuable."

All the adult Asian longhorned ticks found in the United States so far have been female. Here's why.

"Choosing the appropriate bug repellent can be confusing for parents. Some may protect against mosquitos but not ticks, for example."

With summer's arrival, avoiding ticks and the Lyme disease they spread is super important. A phone app can give you the facts you need to know.

Mud blister worms make their homes in the shells of oysters and other shellfish, where they weaken their hosts.

Researchers first discovered the aptly named Troglomyces twitteri fungus by spotting it in an image of a millipede on Twitter.

Understanding how the malaria parasite keeps time could help develop new weapons against a disease that kills a child every two minutes.

When predators die off, their prey may have trouble adapting to future environments. That could have serious consequences for ecosystems.