As California's Central Valley makes headlines for the growing number of people testing positive for the bird flu from exposure to dairy cows, Rais Vohra, MD, professor at UC San Francisco, Fresno and ...

While it's tragic and alarming to see a massive die-off, it's not uncommon for birds that travel in such large populations.

From his backyard in Arizona, astrophotographer Andrew McCarthy has captured stunning photos of the celestial objects high ...