Joshua Rapp Learn is an award-winning D.C.-based science journalist who frequently writes for Discover Magazine, covering topics about archaeology, wildlife, paleontology, space and other topics. View ...

Cats can carry a parasite in their feces that causes a disease called toxoplasmosis in humans — here's how to stay safe.

Rajshekhar Gaji was staring at something that should not exist. Under his microscope, parasites that should have been ...

A recent study reports that free-roaming, stray, feral and “wild” domesticated cats tend to congregate in areas where humans are concentrated, like cities, and these cats tend to shed a greater ...

For decades, scientists have warned that ecologically destructive activities increase the risk of diseases spilling over between wildlife and human populations. Examples of these drivers include ...