For months, bird flu was seemingly everywhere in the U.S.: news headlines reported the highly pathogenic H5N1 avian influenza ...

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

Bird flu fears have focused on the poultry and dairy industries and human health. But wild animals are threatened, too—at ...

Farm workers facing possible arrest would likely resist getting tested for bird flu should there be a resurgence this fall, ...

Several local factors—including the minimum temperature reached in autumn, the water level in lakes and ponds in winter, and ...

The National Weather Service urged people to avoid travel if a flash flood warning was in place for their area.

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.