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

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 ...

Although the avian flu (H5N1) virus may not be making the news as frequently, it is still working hard behind the scenes, ...

New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

The U.S. Centers for Disease Control and Prevention ended its emergency response for bird flu as the outbreak that sickened ...

Surat: Having already conquered the world's seven summits, 27-year-old Anuja Vaidya from Diamond City — has now made waves in the world of water sport.

Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

The U.S. is in peak flu season, as the Centers for Disease Control says “seasonal influenza activity remains elevated and continues to increase across the country.” ...

(NEXSTAR) – The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for ...

(NEXSTAR) – The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for ...