The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in ...

A cluster of 66-million-year-old fish vomit is a natural, national treasure in Denmark. The rare find shines a light on the ...

Manufacturers of raw dog and cat food must do a better job detecting bird flu in products sold to pet owners, federal regulators announced Friday. Several cats, wild and domestic, in the U.S. have ...