California’s Año Nuevo State Park has closed its popular elephant seal viewing area after seven pups tested positive for ...

Over the weekend, health officials in Spain reportedly informed the World Health Organization (WHO) of a possible human case of swine flu that may have been caused by person-to-person transmission.

Experts haven't confirmed the existence of an egg, but the nesting birds' behaviors suggest one was laid in early February ...

Cases of human metapneumovirus, or HMPV, are on the rise in parts of California. It typically causes mild, cold-like symptoms ...

A pair of endangered California condors are likely nesting on Yurok tribal land in Northern California for the first time in ...