A teenager in Canada is critically ill with the country's first human case of H5N1 bird flu. Health officials aren't sure how ...

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

Necrotizing fasciitis is a rare, life-threatening illness caused by bacteria that aggressively attack the soft tissue of the ...

It happens when a parasite that can be found in water invades the eye, damaging the cornea, causing severe pain and ...

Thanks to the consistent and focused efforts of researchers and conservationists, mountain yellow-legged frogs are thriving ...

Scientists are seeing signs of resistance to the infections that have been wiping out the world’s amphibian populations—and ...