Leishmania are microscopic parasites spread by infected sand flies that cause leishmaniasis, a group of diseases ranging from skin ulcers to life-threatening infections of internal organs. Credit: ...

A dangerous tapeworm linked to severe disease in humans and dogs has now been detected in Pacific Northwest coyotes for the first time, raising new public health concerns.

Guinea worm is slated to be the first parasitic disease eradicated in history and the first without medicine or a vaccine.

A sweeping new study of wild snakes in the southeastern US has revealed a hidden health crisis slithering beneath the surface ...

On Earth, there are a handful of places that can truly be called “one of a kind.” The Amazon rainforest is one of those truly magical places. The Amazon River basin is like a real-life treasure chest ...

Parasitic nematodes (commonly known as roundworms) are a large, diverse and poorly studied group of disease-causing organisms that severely impact the health of humans and animals. They infect almost ...

Patient zero” isn’t exactly the title you want attached to your travel itinerary. But that’s the grim distinction Dutch ornithologist Leo Schilperoord now holds after authorities identified him as the ...

Western Washington is home to an abundance of urban wildlife, animals that live and somehow thrive at the intersection of forests and concrete. Coyotes are the poster children of urban wildlife, ...

WASHINGTON — U.S. officials are sounding the alarm as a potentially deadly parasite that can attack both humans and cows nears the U.S., with the most recent confirmed case less than 100 miles from ...

Poison dart frogs may be only around 5 cm long, but some species carry enough toxin to kill up to 10 humans, making them one of the most dangerous animals on Earth. They don’t bite or attack—instead, ...

On September 1, 1939, Adolf Hitler invaded Poland. Fifteen years earlier, he penned Mein Kampf “to describe my own development,” he explained in the preface, and “to destroy the evil legends created ...

Dear Doctors: How do I cleanse my pancreas of parasites? Dear Reader: Your question assumes that you have a parasitic infection in your pancreas. Without additional details, such as symptoms you are ...