SAN FRANCISCO – In the classic film “The Birds,’’ flocks of crows and other species suddenly and viciously attack people for no apparent reason. Now another Bay Area-based mystery has ...

As spring begins, so does a fresh song at daybreak, unique to the season. Just before the sun rises, birds start singing their melodies, creating a chirpy symphony. “It's the epitome of spring ...

Share on Pinterest HHS has cut funding to a Moderna program that develops vaccines against influenza-like viruses that could lead to pandemics, such as bird flu. Johanna Moya/Getty Images The ...